278314137

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{33359}}^1$

素因数の和:33474

約数の個数: 20

約数和(自身を含む): 419802240

約数和(自身を除く): 141488103

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 33359, 100077, 300231, 900693, 2702079, 3435977, 10307931, 30923793, 92771379, 278314137]

約数ペア:

[(1, 278314137), (3, 92771379), (9, 30923793), (27, 10307931), (81, 3435977), (103, 2702079), (309, 900693), (927, 300231), (2781, 100077), (8343, 33359)]