31818969

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38851}}^1$

素因数の和:38877

約数の個数: 24

約数和(自身を含む): 56568512

約数和(自身を除く): 24749543

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 38851, 116553, 271957, 349659, 505063, 815871, 1515189, 2447613, 3535441, 4545567, 10606323, 31818969]

約数ペア:

[(1, 31818969), (3, 10606323), (7, 4545567), (9, 3535441), (13, 2447613), (21, 1515189), (39, 815871), (63, 505063), (91, 349659), (117, 271957), (273, 116553), (819, 38851)]