55571589

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{40357}}^1$

素因数の和:40386

約数の個数: 20

約数和(自身を含む): 87899724

約数和(自身を除く): 32328135

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 40357, 121071, 363213, 686069, 1089639, 2058207, 3268917, 6174621, 18523863, 55571589]

約数ペア:

[(1, 55571589), (3, 18523863), (9, 6174621), (17, 3268917), (27, 2058207), (51, 1089639), (81, 686069), (153, 363213), (459, 121071), (1377, 40357)]