128892921

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1\times {\mathrm{691}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 174151488

約数和(自身を除く): 45258567

約数列:

[1, 3, 97, 291, 641, 691, 1923, 2073, 62177, 67027, 186531, 201081, 442931, 1328793, 42964307, 128892921]

約数ペア:

[(1, 128892921), (3, 42964307), (97, 1328793), (291, 442931), (641, 201081), (691, 186531), (1923, 67027), (2073, 62177)]