196560009

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{507907}}^1$

素因数の和:507956

約数の個数: 12

約数和(自身を含む): 290523376

約数和(自身を除く): 93963367

約数列:

[1, 3, 9, 43, 129, 387, 507907, 1523721, 4571163, 21840001, 65520003, 196560009]

約数ペア:

[(1, 196560009), (3, 65520003), (9, 21840001), (43, 4571163), (129, 1523721), (387, 507907)]