30508821

素因数分解:

$3^2\times 7^3\times {\mathrm{9883}}^1$

素因数の和:9910

約数の個数: 24

約数和(自身を含む): 51396800

約数和(自身を除く): 20887979

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9883, 29649, 69181, 88947, 207543, 484267, 622629, 1452801, 3389869, 4358403, 10169607, 30508821]

約数ペア:

[(1, 30508821), (3, 10169607), (7, 4358403), (9, 3389869), (21, 1452801), (49, 622629), (63, 484267), (147, 207543), (343, 88947), (441, 69181), (1029, 29649), (3087, 9883)]