128220555

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{108203}}^1$

素因数の和:108290

約数の個数: 16

約数和(自身を含む): 207751680

約数和(自身を除く): 79531125

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 108203, 324609, 541015, 1623045, 8548037, 25644111, 42740185, 128220555]

約数ペア:

[(1, 128220555), (3, 42740185), (5, 25644111), (15, 8548037), (79, 1623045), (237, 541015), (395, 324609), (1185, 108203)]