4012905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1583}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 6956928

約数和(自身を除く): 2944023

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 1583, 2535, 4749, 7915, 20579, 23745, 61737, 102895, 267527, 308685, 802581, 1337635, 4012905]

約数ペア:

[(1, 4012905), (3, 1337635), (5, 802581), (13, 308685), (15, 267527), (39, 102895), (65, 61737), (169, 23745), (195, 20579), (507, 7915), (845, 4749), (1583, 2535)]