16042005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 32108544

約数和(自身を除く): 16066539

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 315, 381, 401, 635, 889, 1143, 1203, 1905, 2005, 2667, 2807, 3609, 4445, 5715, 6015, 8001, 8421, 13335, 14035, 18045, 25263, 40005, 42105, 50927, 126315, 152781, 254635, 356489, 458343, 763905, 1069467, 1782445, 2291715, 3208401, 5347335, 16042005]

約数ペア:

[(1, 16042005), (3, 5347335), (5, 3208401), (7, 2291715), (9, 1782445), (15, 1069467), (21, 763905), (35, 458343), (45, 356489), (63, 254635), (105, 152781), (127, 126315), (315, 50927), (381, 42105), (401, 40005), (635, 25263), (889, 18045), (1143, 14035), (1203, 13335), (1905, 8421), (2005, 8001), (2667, 6015), (2807, 5715), (3609, 4445)]