85871745

素因数分解:

$3^4\times 5^1\times {\mathrm{212029}}^1$

素因数の和:212046

約数の個数: 20

約数和(自身を含む): 153933780

約数和(自身を除く): 68062035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 212029, 636087, 1060145, 1908261, 3180435, 5724783, 9541305, 17174349, 28623915, 85871745]

約数ペア:

[(1, 85871745), (3, 28623915), (5, 17174349), (9, 9541305), (15, 5724783), (27, 3180435), (45, 1908261), (81, 1060145), (135, 636087), (405, 212029)]