208519983

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{56099}}^1$

素因数の和:56171

約数の個数: 24

約数和(自身を含む): 350064000

約数和(自身を除く): 141544017

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 56099, 168297, 392693, 504891, 1178079, 3309841, 3534237, 9929523, 23168887, 29788569, 69506661, 208519983]

約数ペア:

[(1, 208519983), (3, 69506661), (7, 29788569), (9, 23168887), (21, 9929523), (59, 3534237), (63, 3309841), (177, 1178079), (413, 504891), (531, 392693), (1239, 168297), (3717, 56099)]