280015197

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1212187}}^1$

素因数の和:1212208

約数の個数: 16

約数和(自身を含む): 465480192

約数和(自身を除く): 185464995

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1212187, 3636561, 8485309, 13334057, 25455927, 40002171, 93338399, 280015197]

約数ペア:

[(1, 280015197), (3, 93338399), (7, 40002171), (11, 25455927), (21, 13334057), (33, 8485309), (77, 3636561), (231, 1212187)]