647408214

素因数分解:

$2^1\times 3^4\times {\mathrm{3996347}}^1$

素因数の和:3996361

約数の個数: 20

約数和(自身を含む): 1450674324

約数和(自身を除く): 803266110

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 3996347, 7992694, 11989041, 23978082, 35967123, 71934246, 107901369, 215802738, 323704107, 647408214]

約数ペア:

[(1, 647408214), (2, 323704107), (3, 215802738), (6, 107901369), (9, 71934246), (18, 35967123), (27, 23978082), (54, 11989041), (81, 7992694), (162, 3996347)]