65981919

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{4519}}^1$

素因数の和:4710

約数の個数: 16

約数和(自身を含む): 91412480

約数和(自身を除く): 25430561

約数列:

[1, 3, 31, 93, 157, 471, 4519, 4867, 13557, 14601, 140089, 420267, 709483, 2128449, 21993973, 65981919]

約数ペア:

[(1, 65981919), (3, 21993973), (31, 2128449), (93, 709483), (157, 420267), (471, 140089), (4519, 14601), (4867, 13557)]