251017533

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 407272320

約数和(自身を除く): 156254787

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 167, 261, 377, 443, 501, 1131, 1329, 1503, 2171, 3393, 3987, 4843, 5759, 6513, 12847, 14529, 17277, 19539, 38541, 43587, 51831, 62959, 73981, 115623, 167011, 188877, 221943, 501033, 566631, 665829, 961753, 1503099, 2145449, 2885259, 6436347, 8655777, 19309041, 27890837, 83672511, 251017533]

約数ペア:

[(1, 251017533), (3, 83672511), (9, 27890837), (13, 19309041), (29, 8655777), (39, 6436347), (87, 2885259), (117, 2145449), (167, 1503099), (261, 961753), (377, 665829), (443, 566631), (501, 501033), (1131, 221943), (1329, 188877), (1503, 167011), (2171, 115623), (3393, 73981), (3987, 62959), (4843, 51831), (5759, 43587), (6513, 38541), (12847, 19539), (14529, 17277)]