813093981

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1\times {\mathrm{1747}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 1275340800

約数和(自身を除く): 462246819

約数列:

[1, 3, 7, 21, 37, 111, 259, 599, 777, 1747, 1797, 4193, 5241, 12229, 12579, 22163, 36687, 64639, 66489, 155141, 193917, 452473, 465423, 1046453, 1357419, 3139359, 7325171, 21975513, 38718761, 116156283, 271031327, 813093981]

約数ペア:

[(1, 813093981), (3, 271031327), (7, 116156283), (21, 38718761), (37, 21975513), (111, 7325171), (259, 3139359), (599, 1357419), (777, 1046453), (1747, 465423), (1797, 452473), (4193, 193917), (5241, 155141), (12229, 66489), (12579, 64639), (22163, 36687)]