26980779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3559}}^1$

素因数の和:3607

約数の個数: 24

約数和(自身を含む): 43403520

約数和(自身を除く): 16422741

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 3559, 7581, 10677, 24913, 67621, 74739, 202863, 473347, 1284799, 1420041, 3854397, 8993593, 26980779]

約数ペア:

[(1, 26980779), (3, 8993593), (7, 3854397), (19, 1420041), (21, 1284799), (57, 473347), (133, 202863), (361, 74739), (399, 67621), (1083, 24913), (2527, 10677), (3559, 7581)]