2421975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 4102912

約数和(自身を除く): 1680937

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 751, 1075, 2253, 3225, 3755, 11265, 18775, 32293, 56325, 96879, 161465, 484395, 807325, 2421975]

約数ペア:

[(1, 2421975), (3, 807325), (5, 484395), (15, 161465), (25, 96879), (43, 56325), (75, 32293), (129, 18775), (215, 11265), (645, 3755), (751, 3225), (1075, 2253)]