78801849

素因数分解:

$3^3\times 7^3\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 139264000

約数和(自身を除く): 60462151

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 127, 147, 189, 201, 343, 381, 441, 469, 603, 889, 1029, 1143, 1323, 1407, 1809, 2667, 3087, 3283, 3429, 4221, 6223, 8001, 8509, 9261, 9849, 12663, 18669, 22981, 24003, 25527, 29547, 43561, 56007, 59563, 68943, 76581, 88641, 130683, 168021, 178689, 206829, 229743, 392049, 416941, 536067, 620487, 1176147, 1250823, 1608201, 2918587, 3752469, 8755761, 11257407, 26267283, 78801849]

約数ペア:

[(1, 78801849), (3, 26267283), (7, 11257407), (9, 8755761), (21, 3752469), (27, 2918587), (49, 1608201), (63, 1250823), (67, 1176147), (127, 620487), (147, 536067), (189, 416941), (201, 392049), (343, 229743), (381, 206829), (441, 178689), (469, 168021), (603, 130683), (889, 88641), (1029, 76581), (1143, 68943), (1323, 59563), (1407, 56007), (1809, 43561), (2667, 29547), (3087, 25527), (3283, 24003), (3429, 22981), (4221, 18669), (6223, 12663), (8001, 9849), (8509, 9261)]