30204447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 52985856

約数和(自身を除く): 22781409

約数列:

[1, 3, 7, 13, 21, 31, 39, 43, 83, 91, 93, 129, 217, 249, 273, 301, 403, 559, 581, 651, 903, 1079, 1209, 1333, 1677, 1743, 2573, 2821, 3237, 3569, 3913, 3999, 7553, 7719, 8463, 9331, 10707, 11739, 17329, 18011, 22659, 24983, 27993, 33449, 46397, 51987, 54033, 74949, 100347, 110639, 121303, 139191, 234143, 324779, 331917, 363909, 702429, 774473, 974337, 1438307, 2323419, 4314921, 10068149, 30204447]

約数ペア:

[(1, 30204447), (3, 10068149), (7, 4314921), (13, 2323419), (21, 1438307), (31, 974337), (39, 774473), (43, 702429), (83, 363909), (91, 331917), (93, 324779), (129, 234143), (217, 139191), (249, 121303), (273, 110639), (301, 100347), (403, 74949), (559, 54033), (581, 51987), (651, 46397), (903, 33449), (1079, 27993), (1209, 24983), (1333, 22659), (1677, 18011), (1743, 17329), (2573, 11739), (2821, 10707), (3237, 9331), (3569, 8463), (3913, 7719), (3999, 7553)]