12810345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19861}}^1$

素因数の和:19912

約数の個数: 16

約数和(自身を含む): 20974272

約数和(自身を除く): 8163927

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19861, 59583, 99305, 297915, 854023, 2562069, 4270115, 12810345]

約数ペア:

[(1, 12810345), (3, 4270115), (5, 2562069), (15, 854023), (43, 297915), (129, 99305), (215, 59583), (645, 19861)]