28629279

素因数分解:

$3^2\times 7^2\times {\mathrm{64919}}^1$

素因数の和:64939

約数の個数: 18

約数和(自身を含む): 48105720

約数和(自身を除く): 19476441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64919, 194757, 454433, 584271, 1363299, 3181031, 4089897, 9543093, 28629279]

約数ペア:

[(1, 28629279), (3, 9543093), (7, 4089897), (9, 3181031), (21, 1363299), (49, 584271), (63, 454433), (147, 194757), (441, 64919)]