289583991

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{7823}}^1$

素因数の和:8292

約数の個数: 20

約数和(自身を含む): 433590432

約数和(自身を除く): 144006441

約数列:

[1, 3, 9, 27, 81, 457, 1371, 4113, 7823, 12339, 23469, 37017, 70407, 211221, 633663, 3575111, 10725333, 32175999, 96527997, 289583991]

約数ペア:

[(1, 289583991), (3, 96527997), (9, 32175999), (27, 10725333), (81, 3575111), (457, 633663), (1371, 211221), (4113, 70407), (7823, 37017), (12339, 23469)]