2198421

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 3363360

約数和(自身を除く): 1164939

約数列:

[1, 3, 9, 27, 81, 83, 109, 243, 249, 327, 747, 981, 2241, 2943, 6723, 8829, 9047, 20169, 26487, 27141, 81423, 244269, 732807, 2198421]

約数ペア:

[(1, 2198421), (3, 732807), (9, 244269), (27, 81423), (81, 27141), (83, 26487), (109, 20169), (243, 9047), (249, 8829), (327, 6723), (747, 2943), (981, 2241)]