218945691

素因数分解:

$3^2\times {\mathrm{313}}^1\times {\mathrm{77723}}^1$

素因数の和:78042

約数の個数: 12

約数和(自身を含む): 317269368

約数和(自身を除く): 98323677

約数列:

[1, 3, 9, 313, 939, 2817, 77723, 233169, 699507, 24327299, 72981897, 218945691]

約数ペア:

[(1, 218945691), (3, 72981897), (9, 24327299), (313, 699507), (939, 233169), (2817, 77723)]