25971561

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3407}}^1$

素因数の和:3442

約数の個数: 36

約数和(自身を含む): 47139456

約数和(自身を除く): 21167895

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 3407, 7623, 10221, 23849, 30663, 37477, 71547, 112431, 214641, 262339, 337293, 412247, 787017, 1236741, 2361051, 2885729, 3710223, 8657187, 25971561]

約数ペア:

[(1, 25971561), (3, 8657187), (7, 3710223), (9, 2885729), (11, 2361051), (21, 1236741), (33, 787017), (63, 412247), (77, 337293), (99, 262339), (121, 214641), (231, 112431), (363, 71547), (693, 37477), (847, 30663), (1089, 23849), (2541, 10221), (3407, 7623)]