28198365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3527}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 49787136

約数和(自身を除く): 21588771

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 3527, 7995, 10581, 17635, 45851, 52905, 137553, 144607, 229255, 433821, 687765, 723035, 1879891, 2169105, 5639673, 9399455, 28198365]

約数ペア:

[(1, 28198365), (3, 9399455), (5, 5639673), (13, 2169105), (15, 1879891), (39, 723035), (41, 687765), (65, 433821), (123, 229255), (195, 144607), (205, 137553), (533, 52905), (615, 45851), (1599, 17635), (2665, 10581), (3527, 7995)]