28381923

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 43570800

約数和(自身を除く): 15188877

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2939, 3219, 8817, 9657, 26451, 85231, 108743, 255693, 326229, 767079, 978687, 3153547, 9460641, 28381923]

約数ペア:

[(1, 28381923), (3, 9460641), (9, 3153547), (29, 978687), (37, 767079), (87, 326229), (111, 255693), (261, 108743), (333, 85231), (1073, 26451), (2939, 9657), (3219, 8817)]