12901945

素因数分解:

$5^1\times 7^3\times {\mathrm{7523}}^1$

素因数の和:7549

約数の個数: 16

約数和(自身を含む): 18057600

約数和(自身を除く): 5155655

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 7523, 37615, 52661, 263305, 368627, 1843135, 2580389, 12901945]

約数ペア:

[(1, 12901945), (5, 2580389), (7, 1843135), (35, 368627), (49, 263305), (245, 52661), (343, 37615), (1715, 7523)]