13980393

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 23820160

約数和(自身を除く): 9839767

約数列:

[1, 3, 7, 9, 21, 53, 63, 79, 159, 237, 371, 477, 553, 711, 1113, 1659, 2809, 3339, 4187, 4977, 8427, 12561, 19663, 25281, 29309, 37683, 58989, 87927, 176967, 221911, 263781, 665733, 1553377, 1997199, 4660131, 13980393]

約数ペア:

[(1, 13980393), (3, 4660131), (7, 1997199), (9, 1553377), (21, 665733), (53, 263781), (63, 221911), (79, 176967), (159, 87927), (237, 58989), (371, 37683), (477, 29309), (553, 25281), (711, 19663), (1113, 12561), (1659, 8427), (2809, 4977), (3339, 4187)]