38991645

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 128

約数和(自身を含む): 89948160

約数和(自身を除く): 50956515

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 31, 33, 35, 45, 55, 63, 77, 93, 99, 105, 121, 135, 155, 165, 189, 217, 231, 279, 297, 315, 341, 363, 385, 465, 495, 605, 651, 693, 837, 847, 945, 1023, 1085, 1089, 1155, 1331, 1395, 1485, 1705, 1815, 1953, 2079, 2387, 2541, 3069, 3255, 3267, 3465, 3751, 3993, 4185, 4235, 5115, 5445, 5859, 6655, 7161, 7623, 9207, 9317, 9765, 10395, 11253, 11935, 11979, 12705, 15345, 16335, 18755, 19965, 21483, 22869, 26257, 27951, 29295, 33759, 35805, 35937, 38115, 41261, 46035, 46585, 56265, 59895, 64449, 78771, 83853, 101277, 107415, 114345, 123783, 131285, 139755, 168795, 179685, 206305, 236313, 251559, 288827, 322245, 371349, 393855, 419265, 506385, 618915, 708939, 866481, 1114047, 1181565, 1257795, 1444135, 1856745, 2599443, 3544695, 4332405, 5570235, 7798329, 12997215, 38991645]

約数ペア:

[(1, 38991645), (3, 12997215), (5, 7798329), (7, 5570235), (9, 4332405), (11, 3544695), (15, 2599443), (21, 1856745), (27, 1444135), (31, 1257795), (33, 1181565), (35, 1114047), (45, 866481), (55, 708939), (63, 618915), (77, 506385), (93, 419265), (99, 393855), (105, 371349), (121, 322245), (135, 288827), (155, 251559), (165, 236313), (189, 206305), (217, 179685), (231, 168795), (279, 139755), (297, 131285), (315, 123783), (341, 114345), (363, 107415), (385, 101277), (465, 83853), (495, 78771), (605, 64449), (651, 59895), (693, 56265), (837, 46585), (847, 46035), (945, 41261), (1023, 38115), (1085, 35937), (1089, 35805), (1155, 33759), (1331, 29295), (1395, 27951), (1485, 26257), (1705, 22869), (1815, 21483), (1953, 19965), (2079, 18755), (2387, 16335), (2541, 15345), (3069, 12705), (3255, 11979), (3267, 11935), (3465, 11253), (3751, 10395), (3993, 9765), (4185, 9317), (4235, 9207), (5115, 7623), (5445, 7161), (5859, 6655)]