25203129

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 15771207

約数列:

[1, 3, 7, 17, 21, 51, 119, 227, 311, 357, 681, 933, 1589, 2177, 3859, 4767, 5287, 6531, 11577, 15861, 27013, 37009, 70597, 81039, 111027, 211791, 494179, 1200149, 1482537, 3600447, 8401043, 25203129]

約数ペア:

[(1, 25203129), (3, 8401043), (7, 3600447), (17, 1482537), (21, 1200149), (51, 494179), (119, 211791), (227, 111027), (311, 81039), (357, 70597), (681, 37009), (933, 27013), (1589, 15861), (2177, 11577), (3859, 6531), (4767, 5287)]