215496621

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{3067}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 321305504

約数和(自身を除く): 105808883

約数列:

[1, 3, 9, 37, 111, 211, 333, 633, 1899, 3067, 7807, 9201, 23421, 27603, 70263, 113479, 340437, 647137, 1021311, 1941411, 5824233, 23944069, 71832207, 215496621]

約数ペア:

[(1, 215496621), (3, 71832207), (9, 23944069), (37, 5824233), (111, 1941411), (211, 1021311), (333, 647137), (633, 340437), (1899, 113479), (3067, 70263), (7807, 27603), (9201, 23421)]