31390659

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{2029}}^1$

素因数の和:2232

約数の個数: 20

約数和(自身を含む): 47160960

約数和(自身を除く): 15770301

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 2029, 5157, 6087, 15471, 18261, 54783, 164349, 387539, 1162617, 3487851, 10463553, 31390659]

約数ペア:

[(1, 31390659), (3, 10463553), (9, 3487851), (27, 1162617), (81, 387539), (191, 164349), (573, 54783), (1719, 18261), (2029, 15471), (5157, 6087)]