2019128517

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 3515383872

約数和(自身を除く): 1496255355

約数列:

[1, 3, 7, 9, 21, 37, 41, 63, 111, 123, 259, 287, 333, 369, 571, 777, 861, 1369, 1517, 1713, 2331, 2583, 3997, 4107, 4551, 5139, 9583, 10619, 11991, 12321, 13653, 21127, 23411, 28749, 31857, 35973, 56129, 63381, 70233, 86247, 95571, 147889, 163877, 168387, 190143, 210699, 392903, 443667, 491631, 505161, 781699, 866207, 1178709, 1331001, 1474893, 2345097, 2598621, 3536127, 5471893, 6063449, 7035291, 7795863, 16415679, 18190347, 32049659, 49247037, 54571041, 96148977, 224347613, 288446931, 673042839, 2019128517]

約数ペア:

[(1, 2019128517), (3, 673042839), (7, 288446931), (9, 224347613), (21, 96148977), (37, 54571041), (41, 49247037), (63, 32049659), (111, 18190347), (123, 16415679), (259, 7795863), (287, 7035291), (333, 6063449), (369, 5471893), (571, 3536127), (777, 2598621), (861, 2345097), (1369, 1474893), (1517, 1331001), (1713, 1178709), (2331, 866207), (2583, 781699), (3997, 505161), (4107, 491631), (4551, 443667), (5139, 392903), (9583, 210699), (10619, 190143), (11991, 168387), (12321, 163877), (13653, 147889), (21127, 95571), (23411, 86247), (28749, 70233), (31857, 63381), (35973, 56129)]