76656321

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 133161600

約数和(自身を除く): 56505279

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 109, 183, 189, 327, 427, 549, 763, 981, 1281, 1647, 2289, 2943, 3721, 3843, 6649, 6867, 11163, 11529, 19947, 20601, 26047, 33489, 46543, 59841, 78141, 100467, 139629, 179523, 234423, 405589, 418887, 703269, 1216767, 1256661, 2839123, 3650301, 8517369, 10950903, 25552107, 76656321]

約数ペア:

[(1, 76656321), (3, 25552107), (7, 10950903), (9, 8517369), (21, 3650301), (27, 2839123), (61, 1256661), (63, 1216767), (109, 703269), (183, 418887), (189, 405589), (327, 234423), (427, 179523), (549, 139629), (763, 100467), (981, 78141), (1281, 59841), (1647, 46543), (2289, 33489), (2943, 26047), (3721, 20601), (3843, 19947), (6649, 11529), (6867, 11163)]