2175990723

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{54713}}^1$

素因数の和:55216

約数の個数: 20

約数和(自身を含む): 3257233848

約数和(自身を除く): 1081243125

約数列:

[1, 3, 9, 27, 81, 491, 1473, 4419, 13257, 39771, 54713, 164139, 492417, 1477251, 4431753, 26864083, 80592249, 241776747, 725330241, 2175990723]

約数ペア:

[(1, 2175990723), (3, 725330241), (9, 241776747), (27, 80592249), (81, 26864083), (491, 4431753), (1473, 1477251), (4419, 492417), (13257, 164139), (39771, 54713)]