87800355

素因数分解:

$3^4\times 5^1\times {\mathrm{216791}}^1$

素因数の和:216808

約数の個数: 20

約数和(自身を含む): 157390992

約数和(自身を除く): 69590637

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 216791, 650373, 1083955, 1951119, 3251865, 5853357, 9755595, 17560071, 29266785, 87800355]

約数ペア:

[(1, 87800355), (3, 29266785), (5, 17560071), (9, 9755595), (15, 5853357), (27, 3251865), (45, 1951119), (81, 1083955), (135, 650373), (405, 216791)]