18180855

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:99

約数の個数: 120

約数和(自身を含む): 41713056

約数和(自身を除く): 23532201

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, 1431, 1485, 1749, 1815, 1855, 2079, 2385, 2541, 2835, 2915, 3267, 3339, 3465, 4081, 4235, 4293, 4455, 5247, 5445, 5565, 6237, 6413, 7155, 7623, 8745, 9801, 10017, 10395, 12243, 12705, 15741, 16335, 16695, 19239, 20405, 21465, 22869, 26235, 30051, 31185, 32065, 36729, 38115, 44891, 47223, 49005, 50085, 57717, 61215, 68607, 78705, 96195, 110187, 114345, 134673, 150255, 173151, 183645, 224455, 236115, 288585, 330561, 343035, 404019, 519453, 550935, 673365, 865755, 1212057, 1652805, 2020095, 2597265, 3636171, 6060285, 18180855]

約数ペア:

[(1, 18180855), (3, 6060285), (5, 3636171), (7, 2597265), (9, 2020095), (11, 1652805), (15, 1212057), (21, 865755), (27, 673365), (33, 550935), (35, 519453), (45, 404019), (53, 343035), (55, 330561), (63, 288585), (77, 236115), (81, 224455), (99, 183645), (105, 173151), (121, 150255), (135, 134673), (159, 114345), (165, 110187), (189, 96195), (231, 78705), (265, 68607), (297, 61215), (315, 57717), (363, 50085), (371, 49005), (385, 47223), (405, 44891), (477, 38115), (495, 36729), (567, 32065), (583, 31185), (605, 30051), (693, 26235), (795, 22869), (847, 21465), (891, 20405), (945, 19239), (1089, 16695), (1113, 16335), (1155, 15741), (1431, 12705), (1485, 12243), (1749, 10395), (1815, 10017), (1855, 9801), (2079, 8745), (2385, 7623), (2541, 7155), (2835, 6413), (2915, 6237), (3267, 5565), (3339, 5445), (3465, 5247), (4081, 4455), (4235, 4293)]