64740039

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{237143}}^1$

素因数の和:237166

約数の個数: 16

約数和(自身を含む): 106240512

約数和(自身を除く): 41500473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 237143, 711429, 1660001, 3082859, 4980003, 9248577, 21580013, 64740039]

約数ペア:

[(1, 64740039), (3, 21580013), (7, 9248577), (13, 4980003), (21, 3082859), (39, 1660001), (91, 711429), (273, 237143)]