39173895

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 72852480

約数和(自身を除く): 33678585

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 67, 71, 135, 183, 201, 213, 305, 335, 355, 549, 603, 639, 915, 1005, 1065, 1647, 1809, 1917, 2745, 3015, 3195, 4087, 4331, 4757, 8235, 9045, 9585, 12261, 12993, 14271, 20435, 21655, 23785, 36783, 38979, 42813, 61305, 64965, 71355, 110349, 116937, 128439, 183915, 194895, 214065, 290177, 551745, 584685, 642195, 870531, 1450885, 2611593, 4352655, 7834779, 13057965, 39173895]

約数ペア:

[(1, 39173895), (3, 13057965), (5, 7834779), (9, 4352655), (15, 2611593), (27, 1450885), (45, 870531), (61, 642195), (67, 584685), (71, 551745), (135, 290177), (183, 214065), (201, 194895), (213, 183915), (305, 128439), (335, 116937), (355, 110349), (549, 71355), (603, 64965), (639, 61305), (915, 42813), (1005, 38979), (1065, 36783), (1647, 23785), (1809, 21655), (1917, 20435), (2745, 14271), (3015, 12993), (3195, 12261), (4087, 9585), (4331, 9045), (4757, 8235)]