668520735

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{20249}}^1$

素因数の和:20359

約数の個数: 32

約数和(自身を含む): 1119744000

約数和(自身を除く): 451223265

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 1065, 2201, 6603, 11005, 20249, 33015, 60747, 101245, 303735, 627719, 1437679, 1883157, 3138595, 4313037, 7188395, 9415785, 21565185, 44568049, 133704147, 222840245, 668520735]

約数ペア:

[(1, 668520735), (3, 222840245), (5, 133704147), (15, 44568049), (31, 21565185), (71, 9415785), (93, 7188395), (155, 4313037), (213, 3138595), (355, 1883157), (465, 1437679), (1065, 627719), (2201, 303735), (6603, 101245), (11005, 60747), (20249, 33015)]