1392391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 1897344

約数和(自身を除く): 504953

約数列:

[1, 7, 11, 13, 77, 91, 107, 143, 169, 749, 1001, 1177, 1183, 1391, 1859, 8239, 9737, 13013, 15301, 18083, 107107, 126581, 198913, 1392391]

約数ペア:

[(1, 1392391), (7, 198913), (11, 126581), (13, 107107), (77, 18083), (91, 15301), (107, 13013), (143, 9737), (169, 8239), (749, 1859), (1001, 1391), (1177, 1183)]