64718913

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71671}}^1$

素因数の和:71724

約数の個数: 16

約数和(自身を含む): 100914176

約数和(自身を除く): 36195263

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 71671, 215013, 501697, 1505091, 3081853, 9245559, 21572971, 64718913]

約数ペア:

[(1, 64718913), (3, 21572971), (7, 9245559), (21, 3081853), (43, 1505091), (129, 501697), (301, 215013), (903, 71671)]