2177021

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{577}}^1$

素因数の和:609

約数の個数: 16

約数和(自身を含む): 2774400

約数和(自身を除く): 597379

約数列:

[1, 7, 11, 49, 77, 343, 539, 577, 3773, 4039, 6347, 28273, 44429, 197911, 311003, 2177021]

約数ペア:

[(1, 2177021), (7, 311003), (11, 197911), (49, 44429), (77, 28273), (343, 6347), (539, 4039), (577, 3773)]