42128829

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{14057}}^1$

素因数の和:14106

約数の個数: 20

約数和(自身を含む): 64638684

約数和(自身を除く): 22509855

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 14057, 42171, 126513, 379539, 520109, 1138617, 1560327, 4680981, 14042943, 42128829]

約数ペア:

[(1, 42128829), (3, 14042943), (9, 4680981), (27, 1560327), (37, 1138617), (81, 520109), (111, 379539), (333, 126513), (999, 42171), (2997, 14057)]