25686297

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 46359040

約数和(自身を除く): 20672743

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 397, 553, 711, 819, 1027, 1191, 1659, 2779, 3081, 3573, 4977, 5161, 7189, 8337, 9243, 15483, 21567, 25011, 31363, 36127, 46449, 64701, 94089, 108381, 219541, 282267, 325143, 407719, 658623, 1223157, 1975869, 2854033, 3669471, 8562099, 25686297]

約数ペア:

[(1, 25686297), (3, 8562099), (7, 3669471), (9, 2854033), (13, 1975869), (21, 1223157), (39, 658623), (63, 407719), (79, 325143), (91, 282267), (117, 219541), (237, 108381), (273, 94089), (397, 64701), (553, 46449), (711, 36127), (819, 31363), (1027, 25011), (1191, 21567), (1659, 15483), (2779, 9243), (3081, 8337), (3573, 7189), (4977, 5161)]