199189977

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{1069}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 320486400

約数和(自身を除く): 121296423

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 467, 1069, 1401, 3207, 3269, 7483, 8873, 9807, 20311, 22449, 26619, 60933, 62111, 142177, 186333, 426531, 499223, 1497669, 3494561, 9485237, 10483683, 28455711, 66396659, 199189977]

約数ペア:

[(1, 199189977), (3, 66396659), (7, 28455711), (19, 10483683), (21, 9485237), (57, 3494561), (133, 1497669), (399, 499223), (467, 426531), (1069, 186333), (1401, 142177), (3207, 62111), (3269, 60933), (7483, 26619), (8873, 22449), (9807, 20311)]