28053585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 31700655

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 37, 45, 63, 83, 87, 105, 111, 145, 185, 203, 249, 259, 261, 315, 333, 415, 435, 555, 581, 609, 747, 777, 1015, 1073, 1245, 1295, 1305, 1665, 1743, 1827, 2331, 2407, 2905, 3045, 3071, 3219, 3735, 3885, 5229, 5365, 7221, 7511, 8715, 9135, 9213, 9657, 11655, 12035, 15355, 16095, 16849, 21497, 21663, 22533, 26145, 27639, 36105, 37555, 46065, 48285, 50547, 64491, 67599, 84245, 89059, 107485, 108315, 112665, 138195, 151641, 193473, 252735, 267177, 322455, 337995, 445295, 623413, 758205, 801531, 967365, 1335885, 1870239, 3117065, 4007655, 5610717, 9351195, 28053585]

約数ペア:

[(1, 28053585), (3, 9351195), (5, 5610717), (7, 4007655), (9, 3117065), (15, 1870239), (21, 1335885), (29, 967365), (35, 801531), (37, 758205), (45, 623413), (63, 445295), (83, 337995), (87, 322455), (105, 267177), (111, 252735), (145, 193473), (185, 151641), (203, 138195), (249, 112665), (259, 108315), (261, 107485), (315, 89059), (333, 84245), (415, 67599), (435, 64491), (555, 50547), (581, 48285), (609, 46065), (747, 37555), (777, 36105), (1015, 27639), (1073, 26145), (1245, 22533), (1295, 21663), (1305, 21497), (1665, 16849), (1743, 16095), (1827, 15355), (2331, 12035), (2407, 11655), (2905, 9657), (3045, 9213), (3071, 9135), (3219, 8715), (3735, 7511), (3885, 7221), (5229, 5365)]