216679263

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{23473}}^1$

素因数の和:23674

約数の個数: 16

約数和(自身を含む): 307603296

約数和(自身を除く): 90924033

約数列:

[1, 3, 17, 51, 181, 543, 3077, 9231, 23473, 70419, 399041, 1197123, 4248613, 12745839, 72226421, 216679263]

約数ペア:

[(1, 216679263), (3, 72226421), (17, 12745839), (51, 4248613), (181, 1197123), (543, 399041), (3077, 70419), (9231, 23473)]