189207981

素因数分解:

$3^4\times {\mathrm{1129}}^1\times {\mathrm{2069}}^1$

素因数の和:3210

約数の個数: 20

約数和(自身を含む): 283031100

約数和(自身を除く): 93823119

約数列:

[1, 3, 9, 27, 81, 1129, 2069, 3387, 6207, 10161, 18621, 30483, 55863, 91449, 167589, 2335901, 7007703, 21023109, 63069327, 189207981]

約数ペア:

[(1, 189207981), (3, 63069327), (9, 21023109), (27, 7007703), (81, 2335901), (1129, 167589), (2069, 91449), (3387, 55863), (6207, 30483), (10161, 18621)]