221430121

素因数分解:

${\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 249529280

約数和(自身を除く): 28099159

約数列:

[1, 11, 103, 109, 121, 163, 1133, 1199, 1793, 11227, 12463, 13189, 16789, 17767, 19723, 123497, 184679, 195437, 1358467, 1830001, 2031469, 2149807, 20130011, 221430121]

約数ペア:

[(1, 221430121), (11, 20130011), (103, 2149807), (109, 2031469), (121, 1830001), (163, 1358467), (1133, 195437), (1199, 184679), (1793, 123497), (11227, 19723), (12463, 17767), (13189, 16789)]