39931515

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 77911680

約数和(自身を除く): 37980165

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 117, 135, 183, 195, 305, 351, 373, 549, 585, 793, 915, 1119, 1647, 1755, 1865, 2379, 2745, 3357, 3965, 4849, 5595, 7137, 8235, 10071, 11895, 14547, 16785, 21411, 22753, 24245, 35685, 43641, 50355, 68259, 72735, 107055, 113765, 130923, 204777, 218205, 295789, 341295, 614331, 654615, 887367, 1023885, 1478945, 2662101, 3071655, 4436835, 7986303, 13310505, 39931515]

約数ペア:

[(1, 39931515), (3, 13310505), (5, 7986303), (9, 4436835), (13, 3071655), (15, 2662101), (27, 1478945), (39, 1023885), (45, 887367), (61, 654615), (65, 614331), (117, 341295), (135, 295789), (183, 218205), (195, 204777), (305, 130923), (351, 113765), (373, 107055), (549, 72735), (585, 68259), (793, 50355), (915, 43641), (1119, 35685), (1647, 24245), (1755, 22753), (1865, 21411), (2379, 16785), (2745, 14547), (3357, 11895), (3965, 10071), (4849, 8235), (5595, 7137)]