28364679

素因数分解:

$3^2\times 7^2\times {\mathrm{64319}}^1$

素因数の和:64339

約数の個数: 18

約数和(自身を含む): 47661120

約数和(自身を除く): 19296441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64319, 192957, 450233, 578871, 1350699, 3151631, 4052097, 9454893, 28364679]

約数ペア:

[(1, 28364679), (3, 9454893), (7, 4052097), (9, 3151631), (21, 1350699), (49, 578871), (63, 450233), (147, 192957), (441, 64319)]