15911415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 14358825

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 461, 531, 585, 767, 885, 1383, 2301, 2305, 2655, 3835, 4149, 5993, 6903, 6915, 11505, 17979, 20745, 27199, 29965, 34515, 53937, 81597, 89895, 135995, 244791, 269685, 353587, 407985, 1060761, 1223955, 1767935, 3182283, 5303805, 15911415]

約数ペア:

[(1, 15911415), (3, 5303805), (5, 3182283), (9, 1767935), (13, 1223955), (15, 1060761), (39, 407985), (45, 353587), (59, 269685), (65, 244791), (117, 135995), (177, 89895), (195, 81597), (295, 53937), (461, 34515), (531, 29965), (585, 27199), (767, 20745), (885, 17979), (1383, 11505), (2301, 6915), (2305, 6903), (2655, 5993), (3835, 4149)]