199989405

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 160

約数和(自身を含む): 459157248

約数和(自身を除く): 259167843

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 53, 55, 63, 77, 81, 99, 105, 121, 135, 159, 165, 189, 231, 265, 297, 315, 363, 371, 385, 405, 477, 495, 567, 583, 605, 693, 795, 847, 891, 945, 1089, 1113, 1155, 1331, 1431, 1485, 1749, 1815, 1855, 2079, 2385, 2541, 2835, 2915, 3267, 3339, 3465, 3993, 4081, 4235, 4293, 4455, 5247, 5445, 5565, 6237, 6413, 6655, 7155, 7623, 8745, 9317, 9801, 10017, 10395, 11979, 12243, 12705, 15741, 16335, 16695, 19239, 19965, 20405, 21465, 22869, 26235, 27951, 30051, 31185, 32065, 35937, 36729, 38115, 44891, 46585, 47223, 49005, 50085, 57717, 59895, 61215, 68607, 70543, 78705, 83853, 96195, 107811, 110187, 114345, 134673, 139755, 150255, 173151, 179685, 183645, 211629, 224455, 236115, 251559, 288585, 330561, 343035, 352715, 404019, 419265, 493801, 519453, 539055, 550935, 634887, 673365, 754677, 865755, 1058145, 1212057, 1257795, 1481403, 1652805, 1904661, 2020095, 2469005, 2597265, 3174435, 3636171, 3773385, 4444209, 5713983, 6060285, 7407015, 9523305, 13332627, 18180855, 22221045, 28569915, 39997881, 66663135, 199989405]

約数ペア:

[(1, 199989405), (3, 66663135), (5, 39997881), (7, 28569915), (9, 22221045), (11, 18180855), (15, 13332627), (21, 9523305), (27, 7407015), (33, 6060285), (35, 5713983), (45, 4444209), (53, 3773385), (55, 3636171), (63, 3174435), (77, 2597265), (81, 2469005), (99, 2020095), (105, 1904661), (121, 1652805), (135, 1481403), (159, 1257795), (165, 1212057), (189, 1058145), (231, 865755), (265, 754677), (297, 673365), (315, 634887), (363, 550935), (371, 539055), (385, 519453), (405, 493801), (477, 419265), (495, 404019), (567, 352715), (583, 343035), (605, 330561), (693, 288585), (795, 251559), (847, 236115), (891, 224455), (945, 211629), (1089, 183645), (1113, 179685), (1155, 173151), (1331, 150255), (1431, 139755), (1485, 134673), (1749, 114345), (1815, 110187), (1855, 107811), (2079, 96195), (2385, 83853), (2541, 78705), (2835, 70543), (2915, 68607), (3267, 61215), (3339, 59895), (3465, 57717), (3993, 50085), (4081, 49005), (4235, 47223), (4293, 46585), (4455, 44891), (5247, 38115), (5445, 36729), (5565, 35937), (6237, 32065), (6413, 31185), (6655, 30051), (7155, 27951), (7623, 26235), (8745, 22869), (9317, 21465), (9801, 20405), (10017, 19965), (10395, 19239), (11979, 16695), (12243, 16335), (12705, 15741)]