13581335

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 16816800

約数和(自身を除く): 3235465

約数列:

[1, 5, 43, 181, 215, 349, 905, 1745, 7783, 15007, 38915, 63169, 75035, 315845, 2716267, 13581335]

約数ペア:

[(1, 13581335), (5, 2716267), (43, 315845), (181, 75035), (215, 63169), (349, 38915), (905, 15007), (1745, 7783)]