1567256769

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{20963}}^1$

素因数の和:21059

約数の個数: 40

約数和(自身を含む): 2556937152

約数和(自身を除く): 989680383

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 639, 923, 1053, 1917, 2769, 5751, 8307, 20963, 24921, 62889, 74763, 188667, 272519, 566001, 817557, 1488373, 1698003, 2452671, 4465119, 7358013, 13395357, 19348849, 22074039, 40186071, 58046547, 120558213, 174139641, 522418923, 1567256769]

約数ペア:

[(1, 1567256769), (3, 522418923), (9, 174139641), (13, 120558213), (27, 58046547), (39, 40186071), (71, 22074039), (81, 19348849), (117, 13395357), (213, 7358013), (351, 4465119), (639, 2452671), (923, 1698003), (1053, 1488373), (1917, 817557), (2769, 566001), (5751, 272519), (8307, 188667), (20963, 74763), (24921, 62889)]