28832139

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 55449600

約数和(自身を除く): 26617461

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 37, 49, 57, 63, 93, 111, 133, 147, 171, 189, 217, 259, 279, 333, 399, 441, 513, 589, 651, 703, 777, 837, 931, 999, 1147, 1197, 1323, 1519, 1767, 1813, 1953, 2109, 2331, 2793, 3441, 3591, 4123, 4557, 4921, 5301, 5439, 5859, 6327, 6993, 8029, 8379, 10323, 12369, 13671, 14763, 15903, 16317, 18981, 21793, 24087, 25137, 28861, 30969, 34447, 37107, 41013, 44289, 48951, 56203, 65379, 72261, 86583, 103341, 111321, 132867, 152551, 168609, 196137, 216783, 259749, 310023, 457653, 505827, 588411, 779247, 930069, 1067857, 1372959, 1517481, 3203571, 4118877, 9610713, 28832139]

約数ペア:

[(1, 28832139), (3, 9610713), (7, 4118877), (9, 3203571), (19, 1517481), (21, 1372959), (27, 1067857), (31, 930069), (37, 779247), (49, 588411), (57, 505827), (63, 457653), (93, 310023), (111, 259749), (133, 216783), (147, 196137), (171, 168609), (189, 152551), (217, 132867), (259, 111321), (279, 103341), (333, 86583), (399, 72261), (441, 65379), (513, 56203), (589, 48951), (651, 44289), (703, 41013), (777, 37107), (837, 34447), (931, 30969), (999, 28861), (1147, 25137), (1197, 24087), (1323, 21793), (1519, 18981), (1767, 16317), (1813, 15903), (1953, 14763), (2109, 13671), (2331, 12369), (2793, 10323), (3441, 8379), (3591, 8029), (4123, 6993), (4557, 6327), (4921, 5859), (5301, 5439)]