38678716881

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{5347}}^1$

素因数の和:5763

約数の個数: 72

約数和(自身を含む): 66576182400

約数和(自身を除く): 27897465519

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 349, 423, 441, 987, 1047, 2303, 2443, 2961, 3141, 5347, 6909, 7329, 16041, 16403, 17101, 20727, 21987, 37429, 48123, 49209, 51303, 112287, 114821, 147627, 153909, 251309, 262003, 336861, 344463, 753927, 786009, 803747, 1033389, 1759163, 1866103, 2261781, 2358027, 2411241, 5277489, 5598309, 7233723, 12314141, 13062721, 15832467, 16794927, 36942423, 39188163, 87706841, 91439047, 110827269, 117564489, 263120523, 274317141, 613947887, 789361569, 822951423, 1841843661, 4297635209, 5525530983, 12892905627, 38678716881]

約数ペア:

[(1, 38678716881), (3, 12892905627), (7, 5525530983), (9, 4297635209), (21, 1841843661), (47, 822951423), (49, 789361569), (63, 613947887), (141, 274317141), (147, 263120523), (329, 117564489), (349, 110827269), (423, 91439047), (441, 87706841), (987, 39188163), (1047, 36942423), (2303, 16794927), (2443, 15832467), (2961, 13062721), (3141, 12314141), (5347, 7233723), (6909, 5598309), (7329, 5277489), (16041, 2411241), (16403, 2358027), (17101, 2261781), (20727, 1866103), (21987, 1759163), (37429, 1033389), (48123, 803747), (49209, 786009), (51303, 753927), (112287, 344463), (114821, 336861), (147627, 262003), (153909, 251309)]