28750455

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22031}}^1$

素因数の和:22071

約数の個数: 24

約数和(自身を含む): 51554880

約数和(自身を除く): 22804425

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 22031, 66093, 110155, 198279, 330465, 638899, 991395, 1916697, 3194495, 5750091, 9583485, 28750455]

約数ペア:

[(1, 28750455), (3, 9583485), (5, 5750091), (9, 3194495), (15, 1916697), (29, 991395), (45, 638899), (87, 330465), (145, 198279), (261, 110155), (435, 66093), (1305, 22031)]