128520969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{5261}}^1$

素因数の和:5760

約数の個数: 16

約数和(自身を含む): 181854720

約数和(自身を除く): 53333751

約数列:

[1, 3, 17, 51, 479, 1437, 5261, 8143, 15783, 24429, 89437, 268311, 2520019, 7560057, 42840323, 128520969]

約数ペア:

[(1, 128520969), (3, 42840323), (17, 7560057), (51, 2520019), (479, 268311), (1437, 89437), (5261, 24429), (8143, 15783)]