31481121

素因数分解:

$3^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1583}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 48052224

約数和(自身を除く): 16571103

約数列:

[1, 3, 7, 21, 947, 1583, 2841, 4749, 6629, 11081, 19887, 33243, 1499101, 4497303, 10493707, 31481121]

約数ペア:

[(1, 31481121), (3, 10493707), (7, 4497303), (21, 1499101), (947, 33243), (1583, 19887), (2841, 11081), (4749, 6629)]