67717647

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 112527360

約数和(自身を除く): 44809713

約数列:

[1, 3, 9, 17, 27, 43, 47, 51, 73, 129, 141, 153, 219, 387, 423, 459, 657, 731, 799, 1161, 1241, 1269, 1971, 2021, 2193, 2397, 3139, 3431, 3723, 6063, 6579, 7191, 9417, 10293, 11169, 18189, 19737, 21573, 28251, 30879, 33507, 34357, 53363, 54567, 58327, 84753, 92637, 103071, 147533, 160089, 174981, 309213, 442599, 480267, 524943, 927639, 1327797, 1440801, 1574829, 2508061, 3983391, 7524183, 22572549, 67717647]

約数ペア:

[(1, 67717647), (3, 22572549), (9, 7524183), (17, 3983391), (27, 2508061), (43, 1574829), (47, 1440801), (51, 1327797), (73, 927639), (129, 524943), (141, 480267), (153, 442599), (219, 309213), (387, 174981), (423, 160089), (459, 147533), (657, 103071), (731, 92637), (799, 84753), (1161, 58327), (1241, 54567), (1269, 53363), (1971, 34357), (2021, 33507), (2193, 30879), (2397, 28251), (3139, 21573), (3431, 19737), (3723, 18189), (6063, 11169), (6579, 10293), (7191, 9417)]