78327729

素因数分解:

$3^4\times {\mathrm{601}}^1\times {\mathrm{1609}}^1$

素因数の和:2222

約数の個数: 20

約数和(自身を含む): 117275620

約数和(自身を除く): 38947891

約数列:

[1, 3, 9, 27, 81, 601, 1609, 1803, 4827, 5409, 14481, 16227, 43443, 48681, 130329, 967009, 2901027, 8703081, 26109243, 78327729]

約数ペア:

[(1, 78327729), (3, 26109243), (9, 8703081), (27, 2901027), (81, 967009), (601, 130329), (1609, 48681), (1803, 43443), (4827, 16227), (5409, 14481)]