221224311

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 413199360

約数和(自身を除く): 191975049

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 97, 99, 189, 231, 291, 297, 679, 693, 873, 1067, 1097, 2037, 2079, 2619, 3201, 3291, 6111, 7469, 7679, 9603, 9873, 12067, 18333, 22407, 23037, 28809, 29619, 36201, 67221, 69111, 84469, 106409, 108603, 201663, 207333, 253407, 319227, 325809, 744863, 760221, 957681, 1170499, 2234589, 2280663, 2873043, 3511497, 6703767, 8193493, 10534491, 20111301, 24580479, 31603473, 73741437, 221224311]

約数ペア:

[(1, 221224311), (3, 73741437), (7, 31603473), (9, 24580479), (11, 20111301), (21, 10534491), (27, 8193493), (33, 6703767), (63, 3511497), (77, 2873043), (97, 2280663), (99, 2234589), (189, 1170499), (231, 957681), (291, 760221), (297, 744863), (679, 325809), (693, 319227), (873, 253407), (1067, 207333), (1097, 201663), (2037, 108603), (2079, 106409), (2619, 84469), (3201, 69111), (3291, 67221), (6111, 36201), (7469, 29619), (7679, 28809), (9603, 23037), (9873, 22407), (12067, 18333)]