12909717

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 19206720

約数和(自身を除く): 6297003

約数列:

[1, 3, 9, 71, 89, 213, 227, 267, 639, 681, 801, 2043, 6319, 16117, 18957, 20203, 48351, 56871, 60609, 145053, 181827, 1434413, 4303239, 12909717]

約数ペア:

[(1, 12909717), (3, 4303239), (9, 1434413), (71, 181827), (89, 145053), (213, 60609), (227, 56871), (267, 48351), (639, 20203), (681, 18957), (801, 16117), (2043, 6319)]