25257219

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 37665792

約数和(自身を除く): 12408573

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 1607, 4821, 5239, 15717, 20891, 49817, 62673, 149451, 271583, 647621, 814749, 1942863, 8419073, 25257219]

約数ペア:

[(1, 25257219), (3, 8419073), (13, 1942863), (31, 814749), (39, 647621), (93, 271583), (169, 149451), (403, 62673), (507, 49817), (1209, 20891), (1607, 15717), (4821, 5239)]