12810225

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 21387520

約数和(自身を除く): 8577295

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1567, 1635, 2725, 4701, 7835, 8175, 23505, 39175, 117525, 170803, 512409, 854015, 2562045, 4270075, 12810225]

約数ペア:

[(1, 12810225), (3, 4270075), (5, 2562045), (15, 854015), (25, 512409), (75, 170803), (109, 117525), (327, 39175), (545, 23505), (1567, 8175), (1635, 7835), (2725, 4701)]