72188091

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{2179}}^1$

素因数の和:2600

約数の個数: 20

約数和(自身を含む): 108149800

約数和(自身を除く): 35961709

約数列:

[1, 3, 9, 27, 81, 409, 1227, 2179, 3681, 6537, 11043, 19611, 33129, 58833, 176499, 891211, 2673633, 8020899, 24062697, 72188091]

約数ペア:

[(1, 72188091), (3, 24062697), (9, 8020899), (27, 2673633), (81, 891211), (409, 176499), (1227, 58833), (2179, 33129), (3681, 19611), (6537, 11043)]