25812717

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 40857600

約数和(自身を除く): 15044883

約数列:

[1, 3, 7, 21, 37, 111, 139, 239, 259, 417, 717, 777, 973, 1673, 2919, 5019, 5143, 8843, 15429, 26529, 33221, 36001, 61901, 99663, 108003, 185703, 232547, 697641, 1229177, 3687531, 8604239, 25812717]

約数ペア:

[(1, 25812717), (3, 8604239), (7, 3687531), (21, 1229177), (37, 697641), (111, 232547), (139, 185703), (239, 108003), (259, 99663), (417, 61901), (717, 36001), (777, 33221), (973, 26529), (1673, 15429), (2919, 8843), (5019, 5143)]