3128985

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 5601024

約数和(自身を除く): 2472039

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 2243, 6729, 11215, 20187, 33645, 69533, 100935, 208599, 347665, 625797, 1042995, 3128985]

約数ペア:

[(1, 3128985), (3, 1042995), (5, 625797), (9, 347665), (15, 208599), (31, 100935), (45, 69533), (93, 33645), (155, 20187), (279, 11215), (465, 6729), (1395, 2243)]