71312913

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1$

素因数の和:3114

約数の個数: 32

約数和(自身を含む): 121733120

約数和(自身を除く): 50420207

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 2971, 3429, 8001, 8913, 20797, 24003, 26739, 62391, 80217, 187173, 377317, 561519, 1131951, 2641219, 3395853, 7923657, 10187559, 23770971, 71312913]

約数ペア:

[(1, 71312913), (3, 23770971), (7, 10187559), (9, 7923657), (21, 3395853), (27, 2641219), (63, 1131951), (127, 561519), (189, 377317), (381, 187173), (889, 80217), (1143, 62391), (2667, 26739), (2971, 24003), (3429, 20797), (8001, 8913)]