173700009

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{38833}}^1$

素因数の和:38917

約数の個数: 24

約数和(自身を含む): 290788992

約数和(自身を除く): 117088983

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 38833, 116499, 271831, 349497, 815493, 2446479, 2757143, 8271429, 19300001, 24814287, 57900003, 173700009]

約数ペア:

[(1, 173700009), (3, 57900003), (7, 24814287), (9, 19300001), (21, 8271429), (63, 2757143), (71, 2446479), (213, 815493), (497, 349497), (639, 271831), (1491, 116499), (4473, 38833)]