1680831285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{390437}}^1$

素因数の和:390493

約数の個数: 32

約数和(自身を含む): 3148492032

約数和(自身を除く): 1467660747

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 390437, 1171311, 1952185, 2733059, 5856555, 8199177, 13665295, 16007917, 40995885, 48023751, 80039585, 112055419, 240118755, 336166257, 560277095, 1680831285]

約数ペア:

[(1, 1680831285), (3, 560277095), (5, 336166257), (7, 240118755), (15, 112055419), (21, 80039585), (35, 48023751), (41, 40995885), (105, 16007917), (123, 13665295), (205, 8199177), (287, 5856555), (615, 2733059), (861, 1952185), (1435, 1171311), (4305, 390437)]