255979413

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{19309}}^1$

素因数の和:19809

約数の個数: 16

約数和(自身を含む): 380020800

約数和(自身を除く): 124041387

約数列:

[1, 3, 9, 27, 491, 1473, 4419, 13257, 19309, 57927, 173781, 521343, 9480719, 28442157, 85326471, 255979413]

約数ペア:

[(1, 255979413), (3, 85326471), (9, 28442157), (27, 9480719), (491, 521343), (1473, 173781), (4419, 57927), (13257, 19309)]