221495457

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{7753}}^1$

素因数の和:7952

約数の個数: 16

約数和(自身を含む): 301475520

約数和(自身を除く): 79980063

約数列:

[1, 3, 89, 107, 267, 321, 7753, 9523, 23259, 28569, 690017, 829571, 2070051, 2488713, 73831819, 221495457]

約数ペア:

[(1, 221495457), (3, 73831819), (89, 2488713), (107, 2070051), (267, 829571), (321, 690017), (7753, 28569), (9523, 23259)]