128401575

素因数分解:

$3^1\times 5^2\times {\mathrm{811}}^1\times {\mathrm{2111}}^1$

素因数の和:2935

約数の個数: 24

約数和(自身を含む): 212653056

約数和(自身を除く): 84251481

約数列:

[1, 3, 5, 15, 25, 75, 811, 2111, 2433, 4055, 6333, 10555, 12165, 20275, 31665, 52775, 60825, 158325, 1712021, 5136063, 8560105, 25680315, 42800525, 128401575]

約数ペア:

[(1, 128401575), (3, 42800525), (5, 25680315), (15, 8560105), (25, 5136063), (75, 1712021), (811, 158325), (2111, 60825), (2433, 52775), (4055, 31665), (6333, 20275), (10555, 12165)]