12921255

素因数分解:

$3^3\times 5^1\times {\mathrm{95713}}^1$

素因数の和:95727

約数の個数: 16

約数和(自身を含む): 22971360

約数和(自身を除く): 10050105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 95713, 287139, 478565, 861417, 1435695, 2584251, 4307085, 12921255]

約数ペア:

[(1, 12921255), (3, 4307085), (5, 2584251), (9, 1435695), (15, 861417), (27, 478565), (45, 287139), (135, 95713)]