13638525

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4229}}^1$

素因数の和:4285

約数の個数: 24

約数和(自身を含む): 23078880

約数和(自身を除く): 9440355

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 4229, 12687, 21145, 63435, 105725, 181847, 317175, 545541, 909235, 2727705, 4546175, 13638525]

約数ペア:

[(1, 13638525), (3, 4546175), (5, 2727705), (15, 909235), (25, 545541), (43, 317175), (75, 181847), (129, 105725), (215, 63435), (645, 21145), (1075, 12687), (3225, 4229)]