31282155

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23971}}^1$

素因数の和:24011

約数の個数: 24

約数和(自身を含む): 56094480

約数和(自身を除く): 24812325

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 23971, 71913, 119855, 215739, 359565, 695159, 1078695, 2085477, 3475795, 6256431, 10427385, 31282155]

約数ペア:

[(1, 31282155), (3, 10427385), (5, 6256431), (9, 3475795), (15, 2085477), (29, 1078695), (45, 695159), (87, 359565), (145, 215739), (261, 119855), (435, 71913), (1305, 23971)]