71318961

素因数分解:

$3^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 132422400

約数和(自身を除く): 61103439

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 151, 153, 189, 343, 357, 441, 453, 459, 567, 833, 1029, 1057, 1071, 1323, 1359, 1377, 2499, 2567, 3087, 3171, 3213, 3969, 4077, 5831, 7399, 7497, 7701, 9261, 9513, 9639, 12231, 17493, 17969, 22197, 22491, 23103, 27783, 28539, 51793, 52479, 53907, 66591, 67473, 69309, 85617, 125783, 155379, 157437, 161721, 199773, 207927, 377349, 466137, 472311, 485163, 599319, 880481, 1132047, 1398411, 1455489, 2641443, 3396141, 4195233, 7924329, 10188423, 23772987, 71318961]

約数ペア:

[(1, 71318961), (3, 23772987), (7, 10188423), (9, 7924329), (17, 4195233), (21, 3396141), (27, 2641443), (49, 1455489), (51, 1398411), (63, 1132047), (81, 880481), (119, 599319), (147, 485163), (151, 472311), (153, 466137), (189, 377349), (343, 207927), (357, 199773), (441, 161721), (453, 157437), (459, 155379), (567, 125783), (833, 85617), (1029, 69309), (1057, 67473), (1071, 66591), (1323, 53907), (1359, 52479), (1377, 51793), (2499, 28539), (2567, 27783), (3087, 23103), (3171, 22491), (3213, 22197), (3969, 17969), (4077, 17493), (5831, 12231), (7399, 9639), (7497, 9513), (7701, 9261)]