420909111

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{142151}}^1$

素因数の和:142211

約数の個数: 24

約数和(自身を含む): 709622784

約数和(自身を除く): 288713673

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 142151, 426453, 995057, 1279359, 2985171, 6681097, 8955513, 20043291, 46767679, 60129873, 140303037, 420909111]

約数ペア:

[(1, 420909111), (3, 140303037), (7, 60129873), (9, 46767679), (21, 20043291), (47, 8955513), (63, 6681097), (141, 2985171), (329, 1279359), (423, 995057), (987, 426453), (2961, 142151)]