20171805297

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{91753}}^1$

素因数の和:91830

約数の個数: 48

約数和(自身を含む): 33559943040

約数和(自身を除く): 13388137743

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 361, 399, 551, 609, 1083, 1653, 2527, 3857, 7581, 10469, 11571, 31407, 73283, 91753, 219849, 275259, 642271, 1743307, 1926813, 2660837, 5229921, 7982511, 12203149, 18625859, 33122833, 36609447, 50555903, 55877577, 99368499, 151667709, 231859831, 353891321, 695579493, 960562157, 1061673963, 2881686471, 6723935099, 20171805297]

約数ペア:

[(1, 20171805297), (3, 6723935099), (7, 2881686471), (19, 1061673963), (21, 960562157), (29, 695579493), (57, 353891321), (87, 231859831), (133, 151667709), (203, 99368499), (361, 55877577), (399, 50555903), (551, 36609447), (609, 33122833), (1083, 18625859), (1653, 12203149), (2527, 7982511), (3857, 5229921), (7581, 2660837), (10469, 1926813), (11571, 1743307), (31407, 642271), (73283, 275259), (91753, 219849)]