42539985

素因数分解:

$3^4\times 5^1\times {\mathrm{105037}}^1$

素因数の和:105054

約数の個数: 20

約数和(自身を含む): 76257588

約数和(自身を除く): 33717603

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105037, 315111, 525185, 945333, 1575555, 2835999, 4726665, 8507997, 14179995, 42539985]

約数ペア:

[(1, 42539985), (3, 14179995), (5, 8507997), (9, 4726665), (15, 2835999), (27, 1575555), (45, 945333), (81, 525185), (135, 315111), (405, 105037)]