238497021

素因数分解:

$3^3\times 7^1\times {\mathrm{1261889}}^1$

素因数の和:1261905

約数の個数: 16

約数和(自身を含む): 403804800

約数和(自身を除く): 165307779

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1261889, 3785667, 8833223, 11357001, 26499669, 34071003, 79499007, 238497021]

約数ペア:

[(1, 238497021), (3, 79499007), (7, 34071003), (9, 26499669), (21, 11357001), (27, 8833223), (63, 3785667), (189, 1261889)]