31688541

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 48162816

約数和(自身を除く): 16474275

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1643, 2143, 4929, 6429, 14787, 19287, 66433, 113579, 199299, 340737, 597897, 1022211, 3520949, 10562847, 31688541]

約数ペア:

[(1, 31688541), (3, 10562847), (9, 3520949), (31, 1022211), (53, 597897), (93, 340737), (159, 199299), (279, 113579), (477, 66433), (1643, 19287), (2143, 14787), (4929, 6429)]