6621237

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 11439360

約数和(自身を除く): 4818123

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 661, 1113, 1431, 1983, 3339, 4627, 5949, 10017, 13881, 17847, 35033, 41643, 105099, 124929, 245231, 315297, 735693, 945891, 2207079, 6621237]

約数ペア:

[(1, 6621237), (3, 2207079), (7, 945891), (9, 735693), (21, 315297), (27, 245231), (53, 124929), (63, 105099), (159, 41643), (189, 35033), (371, 17847), (477, 13881), (661, 10017), (1113, 5949), (1431, 4627), (1983, 3339)]