2571993

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 20

約数和(自身を含む): 3889908

約数和(自身を除く): 1317915

約数列:

[1, 3, 9, 27, 81, 113, 281, 339, 843, 1017, 2529, 3051, 7587, 9153, 22761, 31753, 95259, 285777, 857331, 2571993]

約数ペア:

[(1, 2571993), (3, 857331), (9, 285777), (27, 95259), (81, 31753), (113, 22761), (281, 9153), (339, 7587), (843, 3051), (1017, 2529)]