25578765

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13219}}^1$

素因数の和:13273

約数の個数: 24

約数和(自身を含む): 45371040

約数和(自身を除く): 19792275

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 13219, 39657, 66095, 118971, 198285, 568417, 594855, 1705251, 2842085, 5115753, 8526255, 25578765]

約数ペア:

[(1, 25578765), (3, 8526255), (5, 5115753), (9, 2842085), (15, 1705251), (43, 594855), (45, 568417), (129, 198285), (215, 118971), (387, 66095), (645, 39657), (1935, 13219)]