15930621

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2766

約数の個数: 32

約数和(自身を含む): 27852800

約数和(自身を除く): 11922179

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 2719, 5859, 8157, 19033, 24471, 57099, 73413, 84289, 171297, 252867, 513891, 590023, 758601, 1770069, 2275803, 5310207, 15930621]

約数ペア:

[(1, 15930621), (3, 5310207), (7, 2275803), (9, 1770069), (21, 758601), (27, 590023), (31, 513891), (63, 252867), (93, 171297), (189, 84289), (217, 73413), (279, 57099), (651, 24471), (837, 19033), (1953, 8157), (2719, 5859)]