28421757

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34703}}^1$

素因数の和:34729

約数の個数: 24

約数和(自身を含む): 50529024

約数和(自身を除く): 22107267

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34703, 104109, 242921, 312327, 451139, 728763, 1353417, 2186289, 3157973, 4060251, 9473919, 28421757]

約数ペア:

[(1, 28421757), (3, 9473919), (7, 4060251), (9, 3157973), (13, 2186289), (21, 1353417), (39, 728763), (63, 451139), (91, 312327), (117, 242921), (273, 104109), (819, 34703)]