13980505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{36313}}^1$

素因数の和:36336

約数の個数: 16

約数和(自身を含む): 20916864

約数和(自身を除く): 6936359

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 36313, 181565, 254191, 399443, 1270955, 1997215, 2796101, 13980505]

約数ペア:

[(1, 13980505), (5, 2796101), (7, 1997215), (11, 1270955), (35, 399443), (55, 254191), (77, 181565), (385, 36313)]