78908781

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3299}}^1$

素因数の和:3393

約数の個数: 32

約数和(自身を含む): 129254400

約数和(自身を除く): 50345619

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 1139, 1407, 3299, 3417, 7973, 9897, 23093, 23919, 56083, 69279, 168249, 221033, 392581, 663099, 1177743, 1547231, 3757561, 4641693, 11272683, 26302927, 78908781]

約数ペア:

[(1, 78908781), (3, 26302927), (7, 11272683), (17, 4641693), (21, 3757561), (51, 1547231), (67, 1177743), (119, 663099), (201, 392581), (357, 221033), (469, 168249), (1139, 69279), (1407, 56083), (3299, 23919), (3417, 23093), (7973, 9897)]