7813953

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 13318656

約数和(自身を除く): 5504703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 4001, 12003, 28007, 36009, 84021, 124031, 252063, 372093, 868217, 1116279, 2604651, 7813953]

約数ペア:

[(1, 7813953), (3, 2604651), (7, 1116279), (9, 868217), (21, 372093), (31, 252063), (63, 124031), (93, 84021), (217, 36009), (279, 28007), (651, 12003), (1953, 4001)]