2561331

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 3538080

約数和(自身を除く): 976749

約数列:

[1, 3, 53, 89, 159, 181, 267, 543, 4717, 9593, 14151, 16109, 28779, 48327, 853777, 2561331]

約数ペア:

[(1, 2561331), (3, 853777), (53, 48327), (89, 28779), (159, 16109), (181, 14151), (267, 9593), (543, 4717)]