578421

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 20

約数和(自身を含む): 892012

約数和(自身を除く): 313591

約数列:

[1, 3, 9, 27, 37, 81, 111, 193, 333, 579, 999, 1737, 2997, 5211, 7141, 15633, 21423, 64269, 192807, 578421]

約数ペア:

[(1, 578421), (3, 192807), (9, 64269), (27, 21423), (37, 15633), (81, 7141), (111, 5211), (193, 2997), (333, 1737), (579, 999)]