87378615

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20879}}^1$

素因数の和:20924

約数の個数: 32

約数和(自身を含む): 160358400

約数和(自身を除く): 72979785

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 20879, 62637, 104395, 187911, 313185, 563733, 647249, 939555, 1941747, 2818665, 3236245, 5825241, 9708735, 17475723, 29126205, 87378615]

約数ペア:

[(1, 87378615), (3, 29126205), (5, 17475723), (9, 9708735), (15, 5825241), (27, 3236245), (31, 2818665), (45, 1941747), (93, 939555), (135, 647249), (155, 563733), (279, 313185), (465, 187911), (837, 104395), (1395, 62637), (4185, 20879)]