257996871

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1439}}^1\times {\mathrm{1811}}^1$

素因数の和:3267

約数の個数: 24

約数和(自身を含む): 407047680

約数和(自身を除く): 149050809

約数列:

[1, 3, 9, 11, 33, 99, 1439, 1811, 4317, 5433, 12951, 15829, 16299, 19921, 47487, 59763, 142461, 179289, 2606029, 7818087, 23454261, 28666319, 85998957, 257996871]

約数ペア:

[(1, 257996871), (3, 85998957), (9, 28666319), (11, 23454261), (33, 7818087), (99, 2606029), (1439, 179289), (1811, 142461), (4317, 59763), (5433, 47487), (12951, 19921), (15829, 16299)]