2158081281

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 3254404608

約数和(自身を除く): 1096323327

約数列:

[1, 3, 9, 47, 71, 141, 181, 213, 397, 423, 543, 639, 1191, 1629, 3337, 3573, 8507, 10011, 12851, 18659, 25521, 28187, 30033, 38553, 55977, 71857, 76563, 84561, 115659, 167931, 215571, 253683, 603997, 646713, 1324789, 1811991, 3377279, 3974367, 5101847, 5435973, 10131837, 11923101, 15305541, 30395511, 45916623, 239786809, 719360427, 2158081281]

約数ペア:

[(1, 2158081281), (3, 719360427), (9, 239786809), (47, 45916623), (71, 30395511), (141, 15305541), (181, 11923101), (213, 10131837), (397, 5435973), (423, 5101847), (543, 3974367), (639, 3377279), (1191, 1811991), (1629, 1324789), (3337, 646713), (3573, 603997), (8507, 253683), (10011, 215571), (12851, 167931), (18659, 115659), (25521, 84561), (28187, 76563), (30033, 71857), (38553, 55977)]