28552581

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 44884224

約数和(自身を除く): 16331643

約数列:

[1, 3, 9, 27, 31, 81, 83, 93, 137, 249, 279, 411, 747, 837, 1233, 2241, 2511, 2573, 3699, 4247, 6723, 7719, 11097, 11371, 12741, 23157, 34113, 38223, 69471, 102339, 114669, 208413, 307017, 344007, 352501, 921051, 1057503, 3172509, 9517527, 28552581]

約数ペア:

[(1, 28552581), (3, 9517527), (9, 3172509), (27, 1057503), (31, 921051), (81, 352501), (83, 344007), (93, 307017), (137, 208413), (249, 114669), (279, 102339), (411, 69471), (747, 38223), (837, 34113), (1233, 23157), (2241, 12741), (2511, 11371), (2573, 11097), (3699, 7719), (4247, 6723)]