201820773

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 355000320

約数和(自身を除く): 153179547

約数列:

[1, 3, 7, 11, 21, 29, 33, 47, 77, 87, 141, 203, 231, 319, 329, 517, 609, 641, 957, 987, 1363, 1551, 1923, 2233, 3619, 4089, 4487, 6699, 7051, 9541, 10857, 13461, 14993, 18589, 21153, 28623, 30127, 44979, 49357, 55767, 90381, 104951, 130123, 148071, 204479, 210889, 314853, 331397, 390369, 613437, 632667, 873683, 994191, 1431353, 2319779, 2621049, 4294059, 6115781, 6959337, 9610513, 18347343, 28831539, 67273591, 201820773]

約数ペア:

[(1, 201820773), (3, 67273591), (7, 28831539), (11, 18347343), (21, 9610513), (29, 6959337), (33, 6115781), (47, 4294059), (77, 2621049), (87, 2319779), (141, 1431353), (203, 994191), (231, 873683), (319, 632667), (329, 613437), (517, 390369), (609, 331397), (641, 314853), (957, 210889), (987, 204479), (1363, 148071), (1551, 130123), (1923, 104951), (2233, 90381), (3619, 55767), (4089, 49357), (4487, 44979), (6699, 30127), (7051, 28623), (9541, 21153), (10857, 18589), (13461, 14993)]