56791539

素因数分解:

$3^2\times 7^3\times {\mathrm{18397}}^1$

素因数の和:18424

約数の個数: 24

約数和(自身を含む): 95669600

約数和(自身を除く): 38878061

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 18397, 55191, 128779, 165573, 386337, 901453, 1159011, 2704359, 6310171, 8113077, 18930513, 56791539]

約数ペア:

[(1, 56791539), (3, 18930513), (7, 8113077), (9, 6310171), (21, 2704359), (49, 1159011), (63, 901453), (147, 386337), (343, 165573), (441, 128779), (1029, 55191), (3087, 18397)]