205320927

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{7237}}^1$

素因数の和:7447

約数の個数: 24

約数和(自身を含む): 320151216

約数和(自身を除く): 114830289

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1351, 4053, 7237, 9457, 21711, 28371, 50659, 151977, 354613, 1063839, 1396741, 4190223, 9777187, 29331561, 68440309, 205320927]

約数ペア:

[(1, 205320927), (3, 68440309), (7, 29331561), (21, 9777187), (49, 4190223), (147, 1396741), (193, 1063839), (579, 354613), (1351, 151977), (4053, 50659), (7237, 28371), (9457, 21711)]