201997028277

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{20201723}}^1$

素因数の和:20201841

約数の個数: 24

約数和(自身を含む): 321449832288

約数和(自身を除く): 119452804011

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999, 20201723, 60605169, 181815507, 222218953, 666656859, 1999970577, 2040374023, 6121122069, 18363366207, 22444114253, 67332342759, 201997028277]

約数ペア:

[(1, 201997028277), (3, 67332342759), (9, 22444114253), (11, 18363366207), (33, 6121122069), (99, 2040374023), (101, 1999970577), (303, 666656859), (909, 222218953), (1111, 181815507), (3333, 60605169), (9999, 20201723)]