13021755

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12227}}^1$

素因数の和:12306

約数の個数: 16

約数和(自身を含む): 21129984

約数和(自身を除く): 8108229

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 12227, 36681, 61135, 183405, 868117, 2604351, 4340585, 13021755]

約数ペア:

[(1, 13021755), (3, 4340585), (5, 2604351), (15, 868117), (71, 183405), (213, 61135), (355, 36681), (1065, 12227)]