25782561

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1291}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 42729024

約数和(自身を除く): 16946463

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 1291, 2219, 2853, 3873, 6657, 9037, 11619, 19971, 27111, 81333, 409247, 1227741, 2864729, 3683223, 8594187, 25782561]

約数ペア:

[(1, 25782561), (3, 8594187), (7, 3683223), (9, 2864729), (21, 1227741), (63, 409247), (317, 81333), (951, 27111), (1291, 19971), (2219, 11619), (2853, 9037), (3873, 6657)]