1553663997

素因数分解:

$3^5\times {\mathrm{2207}}^1\times {\mathrm{2897}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 2329157376

約数和(自身を除く): 775493379

約数列:

[1, 3, 9, 27, 81, 243, 2207, 2897, 6621, 8691, 19863, 26073, 59589, 78219, 178767, 234657, 536301, 703971, 6393679, 19181037, 57543111, 172629333, 517887999, 1553663997]

約数ペア:

[(1, 1553663997), (3, 517887999), (9, 172629333), (27, 57543111), (81, 19181037), (243, 6393679), (2207, 703971), (2897, 536301), (6621, 234657), (8691, 178767), (19863, 78219), (26073, 59589)]