13268541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 21022848

約数和(自身を除く): 7754307

約数列:

[1, 3, 11, 13, 33, 39, 143, 157, 197, 429, 471, 591, 1727, 2041, 2167, 2561, 5181, 6123, 6501, 7683, 22451, 28171, 30929, 67353, 84513, 92787, 340219, 402077, 1020657, 1206231, 4422847, 13268541]

約数ペア:

[(1, 13268541), (3, 4422847), (11, 1206231), (13, 1020657), (33, 402077), (39, 340219), (143, 92787), (157, 84513), (197, 67353), (429, 30929), (471, 28171), (591, 22451), (1727, 7683), (2041, 6501), (2167, 6123), (2561, 5181)]