224891919

素因数分解:

$3^2\times 7^2\times {\mathrm{509959}}^1$

素因数の和:509979

約数の個数: 18

約数和(自身を含む): 377880360

約数和(自身を除く): 152988441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 509959, 1529877, 3569713, 4589631, 10709139, 24987991, 32127417, 74963973, 224891919]

約数ペア:

[(1, 224891919), (3, 74963973), (7, 32127417), (9, 24987991), (21, 10709139), (49, 4589631), (63, 3569713), (147, 1529877), (441, 509959)]