30915831

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 14392329

約数列:

[1, 3, 19, 37, 57, 107, 111, 137, 321, 411, 703, 2033, 2109, 2603, 3959, 5069, 6099, 7809, 11877, 14659, 15207, 43977, 75221, 96311, 225663, 278521, 288933, 542383, 835563, 1627149, 10305277, 30915831]

約数ペア:

[(1, 30915831), (3, 10305277), (19, 1627149), (37, 835563), (57, 542383), (107, 288933), (111, 278521), (137, 225663), (321, 96311), (411, 75221), (703, 43977), (2033, 15207), (2109, 14659), (2603, 11877), (3959, 7809), (5069, 6099)]