13161255

素因数分解:

$3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1787}}^1$

素因数の和:2286

約数の個数: 16

約数和(自身を含む): 21112704

約数和(自身を除く): 7951449

約数列:

[1, 3, 5, 15, 491, 1473, 1787, 2455, 5361, 7365, 8935, 26805, 877417, 2632251, 4387085, 13161255]

約数ペア:

[(1, 13161255), (3, 4387085), (5, 2632251), (15, 877417), (491, 26805), (1473, 8935), (1787, 7365), (2455, 5361)]