31381101

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{8243}}^1$

素因数の和:8302

約数の個数: 20

約数和(自身を含む): 47881152

約数和(自身を除く): 16500051

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 8243, 24729, 74187, 222561, 387421, 667683, 1162263, 3486789, 10460367, 31381101]

約数ペア:

[(1, 31381101), (3, 10460367), (9, 3486789), (27, 1162263), (47, 667683), (81, 387421), (141, 222561), (423, 74187), (1269, 24729), (3807, 8243)]