2951649

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 4530240

約数和(自身を除く): 1578591

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 263, 387, 789, 1247, 2367, 3741, 7627, 11223, 11309, 22881, 33927, 68643, 101781, 327961, 983883, 2951649]

約数ペア:

[(1, 2951649), (3, 983883), (9, 327961), (29, 101781), (43, 68643), (87, 33927), (129, 22881), (261, 11309), (263, 11223), (387, 7627), (789, 3741), (1247, 2367)]