18243825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{5657}}^1$

素因数の和:5713

約数の個数: 24

約数和(自身を含む): 30870048

約数和(自身を除く): 12626223

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 5657, 16971, 28285, 84855, 141425, 243251, 424275, 729753, 1216255, 3648765, 6081275, 18243825]

約数ペア:

[(1, 18243825), (3, 6081275), (5, 3648765), (15, 1216255), (25, 729753), (43, 424275), (75, 243251), (129, 141425), (215, 84855), (645, 28285), (1075, 16971), (3225, 5657)]