80987607

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{2141}}^1$

素因数の和:2620

約数の個数: 20

約数和(自身を含む): 121297176

約数和(自身を除く): 40309569

約数列:

[1, 3, 9, 27, 81, 467, 1401, 2141, 4203, 6423, 12609, 19269, 37827, 57807, 173421, 999847, 2999541, 8998623, 26995869, 80987607]

約数ペア:

[(1, 80987607), (3, 26995869), (9, 8998623), (27, 2999541), (81, 999847), (467, 173421), (1401, 57807), (2141, 37827), (4203, 19269), (6423, 12609)]