290418939

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{210907}}^1$

素因数の和:210936

約数の個数: 20

約数和(自身を含む): 459357624

約数和(自身を除く): 168938685

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 210907, 632721, 1898163, 3585419, 5694489, 10756257, 17083467, 32268771, 96806313, 290418939]

約数ペア:

[(1, 290418939), (3, 96806313), (9, 32268771), (17, 17083467), (27, 10756257), (51, 5694489), (81, 3585419), (153, 1898163), (459, 632721), (1377, 210907)]