67707171

素因数分解:

$3^4\times 7^3\times {\mathrm{2437}}^1$

素因数の和:2470

約数の個数: 40

約数和(自身を含む): 117999200

約数和(自身を除く): 50292029

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 2437, 3087, 3969, 7311, 9261, 17059, 21933, 27783, 51177, 65799, 119413, 153531, 197397, 358239, 460593, 835891, 1074717, 1381779, 2507673, 3224151, 7523019, 9672453, 22569057, 67707171]

約数ペア:

[(1, 67707171), (3, 22569057), (7, 9672453), (9, 7523019), (21, 3224151), (27, 2507673), (49, 1381779), (63, 1074717), (81, 835891), (147, 460593), (189, 358239), (343, 197397), (441, 153531), (567, 119413), (1029, 65799), (1323, 51177), (2437, 27783), (3087, 21933), (3969, 17059), (7311, 9261)]