28635723

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 42996096

約数和(自身を除く): 14360373

約数列:

[1, 3, 9, 31, 93, 197, 279, 521, 591, 1563, 1773, 4689, 6107, 16151, 18321, 48453, 54963, 102637, 145359, 307911, 923733, 3181747, 9545241, 28635723]

約数ペア:

[(1, 28635723), (3, 9545241), (9, 3181747), (31, 923733), (93, 307911), (197, 145359), (279, 102637), (521, 54963), (591, 48453), (1563, 18321), (1773, 16151), (4689, 6107)]