25570881

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1163}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 42369600

約数和(自身を除く): 16798719

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 1163, 2443, 3141, 3489, 7329, 8141, 10467, 21987, 24423, 73269, 405887, 1217661, 2841209, 3652983, 8523627, 25570881]

約数ペア:

[(1, 25570881), (3, 8523627), (7, 3652983), (9, 2841209), (21, 1217661), (63, 405887), (349, 73269), (1047, 24423), (1163, 21987), (2443, 10467), (3141, 8141), (3489, 7329)]