25710363

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 45726720

約数和(自身を除く): 20016357

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 457, 893, 987, 1197, 1371, 2679, 2961, 3199, 4113, 6251, 8037, 8683, 9597, 18753, 21479, 26049, 28791, 56259, 60781, 64437, 78147, 150353, 182343, 193311, 408101, 451059, 547029, 1224303, 1353177, 2856707, 3672909, 8570121, 25710363]

約数ペア:

[(1, 25710363), (3, 8570121), (7, 3672909), (9, 2856707), (19, 1353177), (21, 1224303), (47, 547029), (57, 451059), (63, 408101), (133, 193311), (141, 182343), (171, 150353), (329, 78147), (399, 64437), (423, 60781), (457, 56259), (893, 28791), (987, 26049), (1197, 21479), (1371, 18753), (2679, 9597), (2961, 8683), (3199, 8037), (4113, 6251)]