13221291

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 18741024

約数和(自身を除く): 5519733

約数列:

[1, 3, 17, 51, 397, 653, 1191, 1959, 6749, 11101, 20247, 33303, 259241, 777723, 4407097, 13221291]

約数ペア:

[(1, 13221291), (3, 4407097), (17, 777723), (51, 259241), (397, 33303), (653, 20247), (1191, 11101), (1959, 6749)]