208492047

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{10487}}^1$

素因数の和:10587

約数の個数: 18

約数和(自身を含む): 307728408

約数和(自身を除く): 99236361

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 10487, 19881, 31461, 94383, 492889, 1478667, 4436001, 23165783, 69497349, 208492047]

約数ペア:

[(1, 208492047), (3, 69497349), (9, 23165783), (47, 4436001), (141, 1478667), (423, 492889), (2209, 94383), (6627, 31461), (10487, 19881)]