28767717

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 47567520

約数和(自身を除く): 18799803

約数列:

[1, 3, 9, 11, 27, 33, 81, 83, 99, 249, 297, 389, 747, 891, 913, 1167, 2241, 2739, 3501, 4279, 6723, 8217, 10503, 12837, 24651, 31509, 32287, 38511, 73953, 96861, 115533, 290583, 346599, 355157, 871749, 1065471, 2615247, 3196413, 9589239, 28767717]

約数ペア:

[(1, 28767717), (3, 9589239), (9, 3196413), (11, 2615247), (27, 1065471), (33, 871749), (81, 355157), (83, 346599), (99, 290583), (249, 115533), (297, 96861), (389, 73953), (747, 38511), (891, 32287), (913, 31509), (1167, 24651), (2241, 12837), (2739, 10503), (3501, 8217), (4279, 6723)]