74647587

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 41474013

約数列:

[1, 3, 7, 21, 107, 139, 239, 321, 417, 717, 749, 973, 1673, 2247, 2919, 5019, 14873, 25573, 33221, 44619, 76719, 99663, 104111, 179011, 232547, 312333, 537033, 697641, 3554647, 10663941, 24882529, 74647587]

約数ペア:

[(1, 74647587), (3, 24882529), (7, 10663941), (21, 3554647), (107, 697641), (139, 537033), (239, 312333), (321, 232547), (417, 179011), (717, 104111), (749, 99663), (973, 76719), (1673, 44619), (2247, 33221), (2919, 25573), (5019, 14873)]