13721841

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1259}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 22800960

約数和(自身を除く): 9079119

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1259, 1557, 3633, 3777, 8813, 10899, 11331, 26439, 79317, 217807, 653421, 1524649, 1960263, 4573947, 13721841]

約数ペア:

[(1, 13721841), (3, 4573947), (7, 1960263), (9, 1524649), (21, 653421), (63, 217807), (173, 79317), (519, 26439), (1211, 11331), (1259, 10899), (1557, 8813), (3633, 3777)]