72148251

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 112445440

約数和(自身を除く): 40297189

約数列:

[1, 3, 7, 21, 79, 157, 237, 277, 471, 553, 831, 1099, 1659, 1939, 3297, 5817, 12403, 21883, 37209, 43489, 65649, 86821, 130467, 153181, 260463, 304423, 459543, 913269, 3435631, 10306893, 24049417, 72148251]

約数ペア:

[(1, 72148251), (3, 24049417), (7, 10306893), (21, 3435631), (79, 913269), (157, 459543), (237, 304423), (277, 260463), (471, 153181), (553, 130467), (831, 86821), (1099, 65649), (1659, 43489), (1939, 37209), (3297, 21883), (5817, 12403)]