402885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1279}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 798720

約数和(自身を除く): 395835

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1279, 3837, 6395, 8953, 11511, 19185, 26859, 44765, 57555, 80577, 134295, 402885]

約数ペア:

[(1, 402885), (3, 134295), (5, 80577), (7, 57555), (9, 44765), (15, 26859), (21, 19185), (35, 11511), (45, 8953), (63, 6395), (105, 3837), (315, 1279)]