201942909

素因数分解:

$3^3\times 7^1\times {\mathrm{1068481}}^1$

素因数の和:1068497

約数の個数: 16

約数和(自身を含む): 341914240

約数和(自身を除く): 139971331

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1068481, 3205443, 7479367, 9616329, 22438101, 28848987, 67314303, 201942909]

約数ペア:

[(1, 201942909), (3, 67314303), (7, 28848987), (9, 22438101), (21, 9616329), (27, 7479367), (63, 3205443), (189, 1068481)]