2017729521

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{241847}}^1$

素因数の和:241962

約数の個数: 20

約数和(自身を含む): 3043415232

約数和(自身を除く): 1025685711

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 241847, 725541, 2176623, 6529869, 19589607, 24910241, 74730723, 224192169, 672576507, 2017729521]

約数ペア:

[(1, 2017729521), (3, 672576507), (9, 224192169), (27, 74730723), (81, 24910241), (103, 19589607), (309, 6529869), (927, 2176623), (2781, 725541), (8343, 241847)]