12940455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78427}}^1$

素因数の和:78446

約数の個数: 16

約数和(自身を含む): 22587264

約数和(自身を除く): 9646809

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 78427, 235281, 392135, 862697, 1176405, 2588091, 4313485, 12940455]

約数ペア:

[(1, 12940455), (3, 4313485), (5, 2588091), (11, 1176405), (15, 862697), (33, 392135), (55, 235281), (165, 78427)]