16447779

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{809}}^1$

素因数の和:1072

約数の個数: 20

約数和(自身を含む): 24698520

約数和(自身を除く): 8250741

約数列:

[1, 3, 9, 27, 81, 251, 753, 809, 2259, 2427, 6777, 7281, 20331, 21843, 65529, 203059, 609177, 1827531, 5482593, 16447779]

約数ペア:

[(1, 16447779), (3, 5482593), (9, 1827531), (27, 609177), (81, 203059), (251, 65529), (753, 21843), (809, 20331), (2259, 7281), (2427, 6777)]