81243963

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3989}}^1$

素因数の和:4099

約数の個数: 24

約数和(自身を含む): 122828160

約数和(自身を除く): 41584197

約数列:

[1, 3, 9, 31, 73, 93, 219, 279, 657, 2263, 3989, 6789, 11967, 20367, 35901, 123659, 291197, 370977, 873591, 1112931, 2620773, 9027107, 27081321, 81243963]

約数ペア:

[(1, 81243963), (3, 27081321), (9, 9027107), (31, 2620773), (73, 1112931), (93, 873591), (219, 370977), (279, 291197), (657, 123659), (2263, 35901), (3989, 20367), (6789, 11967)]