7815771

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{2053}}^1$

素因数の和:2112

約数の個数: 20

約数和(自身を含む): 11929632

約数和(自身を除く): 4113861

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 2053, 3807, 6159, 18477, 55431, 96491, 166293, 289473, 868419, 2605257, 7815771]

約数ペア:

[(1, 7815771), (3, 2605257), (9, 868419), (27, 289473), (47, 166293), (81, 96491), (141, 55431), (423, 18477), (1269, 6159), (2053, 3807)]