69918891

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{6781}}^1$

素因数の和:7282

約数の個数: 16

約数和(自身を含む): 106775808

約数和(自身を除く): 36856917

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 6781, 10311, 20343, 47467, 142401, 3329471, 9988413, 23306297, 69918891]

約数ペア:

[(1, 69918891), (3, 23306297), (7, 9988413), (21, 3329471), (491, 142401), (1473, 47467), (3437, 20343), (6781, 10311)]