214257939

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{4129}}^1$

素因数の和:4499

約数の個数: 24

約数和(自身を含む): 333340560

約数和(自身を除く): 119082621

約数列:

[1, 3, 7, 21, 49, 147, 353, 1059, 2471, 4129, 7413, 12387, 17297, 28903, 51891, 86709, 202321, 606963, 1457537, 4372611, 10202759, 30608277, 71419313, 214257939]

約数ペア:

[(1, 214257939), (3, 71419313), (7, 30608277), (21, 10202759), (49, 4372611), (147, 1457537), (353, 606963), (1059, 202321), (2471, 86709), (4129, 51891), (7413, 28903), (12387, 17297)]