25220601

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1279}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 41799680

約数和(自身を除く): 16579079

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 1279, 2191, 2817, 3837, 6573, 8953, 11511, 19719, 26859, 80577, 400327, 1200981, 2802289, 3602943, 8406867, 25220601]

約数ペア:

[(1, 25220601), (3, 8406867), (7, 3602943), (9, 2802289), (21, 1200981), (63, 400327), (313, 80577), (939, 26859), (1279, 19719), (2191, 11511), (2817, 8953), (3837, 6573)]