87827895

素因数分解:

$3^4\times 5^1\times {\mathrm{216859}}^1$

素因数の和:216876

約数の個数: 20

約数和(自身を含む): 157440360

約数和(自身を除く): 69612465

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 216859, 650577, 1084295, 1951731, 3252885, 5855193, 9758655, 17565579, 29275965, 87827895]

約数ペア:

[(1, 87827895), (3, 29275965), (5, 17565579), (9, 9758655), (15, 5855193), (27, 3252885), (45, 1951731), (81, 1084295), (135, 650577), (405, 216859)]