2015200971

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{561181}}^1$

素因数の和:561216

約数の個数: 32

約数和(自身を含む): 3591564800

約数和(自身を除く): 1576363829

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 561181, 1683543, 3928267, 5050629, 10662439, 11784801, 15151887, 31987317, 35354403, 74637073, 95961951, 106063209, 223911219, 287885853, 671733657, 2015200971]

約数ペア:

[(1, 2015200971), (3, 671733657), (7, 287885853), (9, 223911219), (19, 106063209), (21, 95961951), (27, 74637073), (57, 35354403), (63, 31987317), (133, 15151887), (171, 11784801), (189, 10662439), (399, 5050629), (513, 3928267), (1197, 1683543), (3591, 561181)]