1980905859

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{823}}^1\times {\mathrm{8627}}^1$

素因数の和:9487

約数の個数: 24

約数和(自身を含む): 2957540352

約数和(自身を除く): 976634493

約数列:

[1, 3, 9, 31, 93, 279, 823, 2469, 7407, 8627, 25513, 25881, 76539, 77643, 229617, 267437, 802311, 2406933, 7100021, 21300063, 63900189, 220100651, 660301953, 1980905859]

約数ペア:

[(1, 1980905859), (3, 660301953), (9, 220100651), (31, 63900189), (93, 21300063), (279, 7100021), (823, 2406933), (2469, 802311), (7407, 267437), (8627, 229617), (25513, 77643), (25881, 76539)]