1231868979

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 2097199104

約数和(自身を除く): 865330125

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 103, 279, 297, 309, 341, 433, 837, 891, 927, 1023, 1133, 1299, 2511, 2781, 3069, 3193, 3399, 3897, 4763, 8343, 9207, 9579, 10197, 11691, 13423, 14289, 27621, 28737, 30591, 35073, 35123, 40269, 42867, 44599, 86211, 91773, 105369, 120807, 128601, 133797, 147653, 258633, 316107, 362421, 385803, 401391, 442959, 490589, 948321, 1087263, 1204173, 1328877, 1382569, 1471767, 2844963, 3612519, 3986631, 4147707, 4415301, 11959893, 12443121, 13245903, 15208259, 37329363, 39737709, 45624777, 111988089, 136874331, 410622993, 1231868979]

約数ペア:

[(1, 1231868979), (3, 410622993), (9, 136874331), (11, 111988089), (27, 45624777), (31, 39737709), (33, 37329363), (81, 15208259), (93, 13245903), (99, 12443121), (103, 11959893), (279, 4415301), (297, 4147707), (309, 3986631), (341, 3612519), (433, 2844963), (837, 1471767), (891, 1382569), (927, 1328877), (1023, 1204173), (1133, 1087263), (1299, 948321), (2511, 490589), (2781, 442959), (3069, 401391), (3193, 385803), (3399, 362421), (3897, 316107), (4763, 258633), (8343, 147653), (9207, 133797), (9579, 128601), (10197, 120807), (11691, 105369), (13423, 91773), (14289, 86211), (27621, 44599), (28737, 42867), (30591, 40269), (35073, 35123)]