15120609

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7129}}^1$

素因数の和:7240

約数の個数: 16

約数和(自身を含む): 23272320

約数和(自身を除く): 8151711

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 7129, 21387, 49903, 149709, 720029, 2160087, 5040203, 15120609]

約数ペア:

[(1, 15120609), (3, 5040203), (7, 2160087), (21, 720029), (101, 149709), (303, 49903), (707, 21387), (2121, 7129)]