80428173

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{225289}}^1$

素因数の和:225316

約数の個数: 16

約数和(自身を含む): 129767040

約数和(自身を除く): 49338867

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 225289, 675867, 1577023, 3829913, 4731069, 11489739, 26809391, 80428173]

約数ペア:

[(1, 80428173), (3, 26809391), (7, 11489739), (17, 4731069), (21, 3829913), (51, 1577023), (119, 675867), (357, 225289)]