66715737

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 99502080

約数和(自身を除く): 32786343

約数列:

[1, 3, 11, 33, 79, 157, 163, 237, 471, 489, 869, 1727, 1793, 2607, 5181, 5379, 12403, 12877, 25591, 37209, 38631, 76773, 136433, 141647, 281501, 409299, 424941, 844503, 2021689, 6065067, 22238579, 66715737]

約数ペア:

[(1, 66715737), (3, 22238579), (11, 6065067), (33, 2021689), (79, 844503), (157, 424941), (163, 409299), (237, 281501), (471, 141647), (489, 136433), (869, 76773), (1727, 38631), (1793, 37209), (2607, 25591), (5181, 12877), (5379, 12403)]