81090594

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 212397120

約数和(自身を除く): 131306526

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 38, 39, 46, 57, 61, 69, 78, 114, 117, 122, 138, 169, 171, 183, 207, 234, 247, 299, 338, 342, 366, 414, 437, 494, 507, 549, 598, 741, 793, 874, 897, 1014, 1098, 1159, 1311, 1403, 1482, 1521, 1586, 1794, 2223, 2318, 2379, 2622, 2691, 2806, 3042, 3211, 3477, 3887, 3933, 4209, 4446, 4758, 5382, 5681, 6422, 6954, 7137, 7774, 7866, 8418, 9633, 10309, 10431, 11362, 11661, 12627, 14274, 15067, 17043, 18239, 19266, 20618, 20862, 23322, 25254, 26657, 28899, 30134, 30927, 34086, 34983, 36478, 45201, 51129, 53314, 54717, 57798, 61854, 69966, 73853, 79971, 90402, 92781, 102258, 109434, 135603, 147706, 159942, 164151, 185562, 195871, 221559, 237107, 239913, 271206, 328302, 346541, 391742, 443118, 474214, 479826, 587613, 664677, 693082, 711321, 1039623, 1175226, 1329354, 1422642, 1762839, 2079246, 2133963, 3118869, 3525678, 4267926, 4505033, 6237738, 9010066, 13515099, 27030198, 40545297, 81090594]

約数ペア:

[(1, 81090594), (2, 40545297), (3, 27030198), (6, 13515099), (9, 9010066), (13, 6237738), (18, 4505033), (19, 4267926), (23, 3525678), (26, 3118869), (38, 2133963), (39, 2079246), (46, 1762839), (57, 1422642), (61, 1329354), (69, 1175226), (78, 1039623), (114, 711321), (117, 693082), (122, 664677), (138, 587613), (169, 479826), (171, 474214), (183, 443118), (207, 391742), (234, 346541), (247, 328302), (299, 271206), (338, 239913), (342, 237107), (366, 221559), (414, 195871), (437, 185562), (494, 164151), (507, 159942), (549, 147706), (598, 135603), (741, 109434), (793, 102258), (874, 92781), (897, 90402), (1014, 79971), (1098, 73853), (1159, 69966), (1311, 61854), (1403, 57798), (1482, 54717), (1521, 53314), (1586, 51129), (1794, 45201), (2223, 36478), (2318, 34983), (2379, 34086), (2622, 30927), (2691, 30134), (2806, 28899), (3042, 26657), (3211, 25254), (3477, 23322), (3887, 20862), (3933, 20618), (4209, 19266), (4446, 18239), (4758, 17043), (5382, 15067), (5681, 14274), (6422, 12627), (6954, 11661), (7137, 11362), (7774, 10431), (7866, 10309), (8418, 9633)]