51413747

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 65333856

約数和(自身を除く): 13920109

約数列:

[1, 7, 11, 77, 101, 121, 601, 707, 847, 1111, 4207, 6611, 7777, 12221, 46277, 60701, 72721, 85547, 424907, 509047, 667711, 4673977, 7344821, 51413747]

約数ペア:

[(1, 51413747), (7, 7344821), (11, 4673977), (77, 667711), (101, 509047), (121, 424907), (601, 85547), (707, 72721), (847, 60701), (1111, 46277), (4207, 12221), (6611, 7777)]