25811901

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{1021}}^1$

素因数の和:1133

約数の個数: 18

約数和(自身を含む): 38037818

約数和(自身を除く): 12225917

約数列:

[1, 3, 9, 53, 159, 477, 1021, 2809, 3063, 8427, 9189, 25281, 54113, 162339, 487017, 2867989, 8603967, 25811901]

約数ペア:

[(1, 25811901), (3, 8603967), (9, 2867989), (53, 487017), (159, 162339), (477, 54113), (1021, 25281), (2809, 9189), (3063, 8427)]