1278551439

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9851}}^1$

素因数の和:9913

約数の個数: 64

約数和(自身を含む): 2269900800

約数和(自身を除く): 991349361

約数列:

[1, 3, 9, 11, 19, 23, 27, 33, 57, 69, 99, 171, 207, 209, 253, 297, 437, 513, 621, 627, 759, 1311, 1881, 2277, 3933, 4807, 5643, 6831, 9851, 11799, 14421, 29553, 43263, 88659, 108361, 129789, 187169, 226573, 265977, 325083, 561507, 679719, 975249, 1684521, 2039157, 2058859, 2492303, 2925747, 4304887, 5053563, 6117471, 6176577, 7476909, 12914661, 18529731, 22430727, 38743983, 47353757, 55589193, 67292181, 116231949, 142061271, 426183813, 1278551439]

約数ペア:

[(1, 1278551439), (3, 426183813), (9, 142061271), (11, 116231949), (19, 67292181), (23, 55589193), (27, 47353757), (33, 38743983), (57, 22430727), (69, 18529731), (99, 12914661), (171, 7476909), (207, 6176577), (209, 6117471), (253, 5053563), (297, 4304887), (437, 2925747), (513, 2492303), (621, 2058859), (627, 2039157), (759, 1684521), (1311, 975249), (1881, 679719), (2277, 561507), (3933, 325083), (4807, 265977), (5643, 226573), (6831, 187169), (9851, 129789), (11799, 108361), (14421, 88659), (29553, 43263)]