209921706

素因数分解:

$2^1\times 3^4\times {\mathrm{1295813}}^1$

素因数の和:1295827

約数の個数: 20

約数和(自身を含む): 470380482

約数和(自身を除く): 260458776

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1295813, 2591626, 3887439, 7774878, 11662317, 23324634, 34986951, 69973902, 104960853, 209921706]

約数ペア:

[(1, 209921706), (2, 104960853), (3, 69973902), (6, 34986951), (9, 23324634), (18, 11662317), (27, 7774878), (54, 3887439), (81, 2591626), (162, 1295813)]