31226559

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1069}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 51770880

約数和(自身を除く): 20544321

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1069, 1391, 2247, 3207, 4173, 7483, 9737, 13897, 22449, 29211, 41691, 97279, 114383, 291837, 343149, 800681, 1486979, 2402043, 4460937, 10408853, 31226559]

約数ペア:

[(1, 31226559), (3, 10408853), (7, 4460937), (13, 2402043), (21, 1486979), (39, 800681), (91, 343149), (107, 291837), (273, 114383), (321, 97279), (749, 41691), (1069, 29211), (1391, 22449), (2247, 13897), (3207, 9737), (4173, 7483)]