27251757

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 47960640

約数和(自身を除く): 20708883

約数列:

[1, 3, 9, 13, 19, 23, 39, 41, 57, 69, 117, 123, 169, 171, 207, 247, 299, 369, 437, 507, 533, 741, 779, 897, 943, 1311, 1521, 1599, 2223, 2337, 2691, 2829, 3211, 3887, 3933, 4797, 5681, 6929, 7011, 8487, 9633, 10127, 11661, 12259, 17043, 17917, 20787, 28899, 30381, 34983, 36777, 51129, 53751, 62361, 73853, 91143, 110331, 131651, 159367, 161253, 221559, 232921, 394953, 478101, 664677, 698763, 1184859, 1434303, 2096289, 3027973, 9083919, 27251757]

約数ペア:

[(1, 27251757), (3, 9083919), (9, 3027973), (13, 2096289), (19, 1434303), (23, 1184859), (39, 698763), (41, 664677), (57, 478101), (69, 394953), (117, 232921), (123, 221559), (169, 161253), (171, 159367), (207, 131651), (247, 110331), (299, 91143), (369, 73853), (437, 62361), (507, 53751), (533, 51129), (741, 36777), (779, 34983), (897, 30381), (943, 28899), (1311, 20787), (1521, 17917), (1599, 17043), (2223, 12259), (2337, 11661), (2691, 10127), (2829, 9633), (3211, 8487), (3887, 7011), (3933, 6929), (4797, 5681)]