27828255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 33458145

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 29, 35, 37, 39, 57, 65, 87, 91, 95, 105, 111, 133, 145, 185, 195, 203, 247, 259, 273, 285, 377, 399, 435, 455, 481, 551, 555, 609, 665, 703, 741, 777, 1015, 1073, 1131, 1235, 1295, 1365, 1443, 1653, 1729, 1885, 1995, 2109, 2405, 2639, 2755, 3045, 3219, 3367, 3515, 3705, 3857, 3885, 4921, 5187, 5365, 5655, 7163, 7215, 7511, 7917, 8265, 8645, 9139, 10101, 10545, 11571, 13195, 13949, 14763, 16095, 16835, 19285, 20387, 21489, 22533, 24605, 25935, 27417, 35815, 37555, 39585, 41847, 45695, 50141, 50505, 57855, 61161, 63973, 69745, 73815, 97643, 101935, 107445, 112665, 137085, 142709, 150423, 191919, 209235, 250705, 265031, 292929, 305805, 319865, 428127, 488215, 713545, 752115, 795093, 959595, 1325155, 1464645, 1855217, 2140635, 3975465, 5565651, 9276085, 27828255]

約数ペア:

[(1, 27828255), (3, 9276085), (5, 5565651), (7, 3975465), (13, 2140635), (15, 1855217), (19, 1464645), (21, 1325155), (29, 959595), (35, 795093), (37, 752115), (39, 713545), (57, 488215), (65, 428127), (87, 319865), (91, 305805), (95, 292929), (105, 265031), (111, 250705), (133, 209235), (145, 191919), (185, 150423), (195, 142709), (203, 137085), (247, 112665), (259, 107445), (273, 101935), (285, 97643), (377, 73815), (399, 69745), (435, 63973), (455, 61161), (481, 57855), (551, 50505), (555, 50141), (609, 45695), (665, 41847), (703, 39585), (741, 37555), (777, 35815), (1015, 27417), (1073, 25935), (1131, 24605), (1235, 22533), (1295, 21489), (1365, 20387), (1443, 19285), (1653, 16835), (1729, 16095), (1885, 14763), (1995, 13949), (2109, 13195), (2405, 11571), (2639, 10545), (2755, 10101), (3045, 9139), (3219, 8645), (3367, 8265), (3515, 7917), (3705, 7511), (3857, 7215), (3885, 7163), (4921, 5655), (5187, 5365)]