25201323

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1303}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 41769728

約数和(自身を除く): 16568405

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 1303, 2149, 2763, 3909, 6447, 9121, 11727, 19341, 27363, 82089, 400021, 1200063, 2800147, 3600189, 8400441, 25201323]

約数ペア:

[(1, 25201323), (3, 8400441), (7, 3600189), (9, 2800147), (21, 1200063), (63, 400021), (307, 82089), (921, 27363), (1303, 19341), (2149, 11727), (2763, 9121), (3909, 6447)]