205122543405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61877087}}^1$

素因数の和:61877125

約数の個数: 32

約数和(自身を含む): 374232628224

約数和(自身を除く): 169110084819

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 61877087, 185631261, 309385435, 804402131, 928156305, 1051910479, 2413206393, 3155731437, 4022010655, 5259552395, 12066031965, 13674836227, 15778657185, 41024508681, 68374181135, 205122543405]

約数ペア:

[(1, 205122543405), (3, 68374181135), (5, 41024508681), (13, 15778657185), (15, 13674836227), (17, 12066031965), (39, 5259552395), (51, 4022010655), (65, 3155731437), (85, 2413206393), (195, 1051910479), (221, 928156305), (255, 804402131), (663, 309385435), (1105, 185631261), (3315, 61877087)]