9990990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3625

約数の個数: 48

約数和(自身を含む): 26822016

約数和(自身を除く): 16831026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 3581, 7162, 10743, 17905, 21486, 32229, 35810, 53715, 64458, 107430, 111011, 161145, 222022, 322290, 333033, 555055, 666066, 999099, 1110110, 1665165, 1998198, 3330330, 4995495, 9990990]

約数ペア:

[(1, 9990990), (2, 4995495), (3, 3330330), (5, 1998198), (6, 1665165), (9, 1110110), (10, 999099), (15, 666066), (18, 555055), (30, 333033), (31, 322290), (45, 222022), (62, 161145), (90, 111011), (93, 107430), (155, 64458), (186, 53715), (279, 35810), (310, 32229), (465, 21486), (558, 17905), (930, 10743), (1395, 7162), (2790, 3581)]