28621341

素因数分解:

$3^2\times 7^2\times {\mathrm{64901}}^1$

素因数の和:64921

約数の個数: 18

約数和(自身を含む): 48092382

約数和(自身を除く): 19471041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64901, 194703, 454307, 584109, 1362921, 3180149, 4088763, 9540447, 28621341]

約数ペア:

[(1, 28621341), (3, 9540447), (7, 4088763), (9, 3180149), (21, 1362921), (49, 584109), (63, 454307), (147, 194703), (441, 64901)]