81144666

素因数分解:

$2^1\times 3^4\times {\mathrm{257}}^1\times {\mathrm{1949}}^1$

素因数の和:2220

約数の個数: 40

約数和(自身を含む): 182625300

約数和(自身を除く): 101480634

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 257, 514, 771, 1542, 1949, 2313, 3898, 4626, 5847, 6939, 11694, 13878, 17541, 20817, 35082, 41634, 52623, 105246, 157869, 315738, 500893, 1001786, 1502679, 3005358, 4508037, 9016074, 13524111, 27048222, 40572333, 81144666]

約数ペア:

[(1, 81144666), (2, 40572333), (3, 27048222), (6, 13524111), (9, 9016074), (18, 4508037), (27, 3005358), (54, 1502679), (81, 1001786), (162, 500893), (257, 315738), (514, 157869), (771, 105246), (1542, 52623), (1949, 41634), (2313, 35082), (3898, 20817), (4626, 17541), (5847, 13878), (6939, 11694)]