388766691

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1009}}^1\times {\mathrm{1381}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 580661120

約数和(自身を除く): 191894429

約数列:

[1, 3, 9, 31, 93, 279, 1009, 1381, 3027, 4143, 9081, 12429, 31279, 42811, 93837, 128433, 281511, 385299, 1393429, 4180287, 12540861, 43196299, 129588897, 388766691]

約数ペア:

[(1, 388766691), (3, 129588897), (9, 43196299), (31, 12540861), (93, 4180287), (279, 1393429), (1009, 385299), (1381, 281511), (3027, 128433), (4143, 93837), (9081, 42811), (12429, 31279)]