71946721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 91086912

約数和(自身を除く): 19140191

約数列:

[1, 7, 11, 77, 121, 173, 491, 847, 1211, 1903, 3437, 5401, 13321, 20933, 37807, 59411, 84943, 146531, 415877, 594601, 934373, 6540611, 10278103, 71946721]

約数ペア:

[(1, 71946721), (7, 10278103), (11, 6540611), (77, 934373), (121, 594601), (173, 415877), (491, 146531), (847, 84943), (1211, 59411), (1903, 37807), (3437, 20933), (5401, 13321)]