999718839

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{1279}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 1741209600

約数和(自身を除く): 741490761

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 653, 1197, 1279, 1959, 3837, 4571, 5877, 8953, 11511, 12407, 13713, 24301, 26859, 37221, 41139, 72903, 80577, 86849, 111663, 170107, 218709, 260547, 510321, 781641, 835187, 1530963, 2505561, 5846309, 7516683, 15868553, 17538927, 47605659, 52616781, 111079871, 142816977, 333239613, 999718839]

約数ペア:

[(1, 999718839), (3, 333239613), (7, 142816977), (9, 111079871), (19, 52616781), (21, 47605659), (57, 17538927), (63, 15868553), (133, 7516683), (171, 5846309), (399, 2505561), (653, 1530963), (1197, 835187), (1279, 781641), (1959, 510321), (3837, 260547), (4571, 218709), (5877, 170107), (8953, 111663), (11511, 86849), (12407, 80577), (13713, 72903), (24301, 41139), (26859, 37221)]