2531961

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 3861000

約数和(自身を除く): 1329039

約数列:

[1, 3, 9, 29, 87, 89, 109, 261, 267, 327, 801, 981, 2581, 3161, 7743, 9483, 9701, 23229, 28449, 29103, 87309, 281329, 843987, 2531961]

約数ペア:

[(1, 2531961), (3, 843987), (9, 281329), (29, 87309), (87, 29103), (89, 28449), (109, 23229), (261, 9701), (267, 9483), (327, 7743), (801, 3161), (981, 2581)]