15220491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 25256448

約数和(自身を除く): 10035957

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2087, 2431, 6261, 7293, 22957, 27131, 35479, 68871, 81393, 106437, 298441, 390269, 461227, 895323, 1170807, 1383681, 5073497, 15220491]

約数ペア:

[(1, 15220491), (3, 5073497), (11, 1383681), (13, 1170807), (17, 895323), (33, 461227), (39, 390269), (51, 298441), (143, 106437), (187, 81393), (221, 68871), (429, 35479), (561, 27131), (663, 22957), (2087, 7293), (2431, 6261)]