2590515

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 4761600

約数和(自身を除く): 2171085

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 619, 837, 1395, 1857, 3095, 4185, 5571, 9285, 16713, 19189, 27855, 57567, 83565, 95945, 172701, 287835, 518103, 863505, 2590515]

約数ペア:

[(1, 2590515), (3, 863505), (5, 518103), (9, 287835), (15, 172701), (27, 95945), (31, 83565), (45, 57567), (93, 27855), (135, 19189), (155, 16713), (279, 9285), (465, 5571), (619, 4185), (837, 3095), (1395, 1857)]