64808991

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61547}}^1$

素因数の和:61572

約数の個数: 20

約数和(自身を含む): 104262312

約数和(自身を除く): 39453321

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 61547, 184641, 553923, 800111, 1661769, 2400333, 4985307, 7200999, 21602997, 64808991]

約数ペア:

[(1, 64808991), (3, 21602997), (9, 7200999), (13, 4985307), (27, 2400333), (39, 1661769), (81, 800111), (117, 553923), (351, 184641), (1053, 61547)]