68197521

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{15391}}^1$

素因数の和:15612

約数の個数: 16

約数和(自身を含む): 104419328

約数和(自身を除く): 36221807

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 15391, 46173, 107737, 323211, 3247501, 9742503, 22732507, 68197521]

約数ペア:

[(1, 68197521), (3, 22732507), (7, 9742503), (21, 3247501), (211, 323211), (633, 107737), (1477, 46173), (4431, 15391)]