213282017

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 251475840

約数和(自身を除く): 38193823

約数列:

[1, 13, 17, 53, 131, 139, 221, 689, 901, 1703, 1807, 2227, 2363, 6943, 7367, 11713, 18209, 28951, 30719, 90259, 95771, 118031, 125239, 236717, 309553, 965077, 1534403, 1628107, 4024189, 12546001, 16406309, 213282017]

約数ペア:

[(1, 213282017), (13, 16406309), (17, 12546001), (53, 4024189), (131, 1628107), (139, 1534403), (221, 965077), (689, 309553), (901, 236717), (1703, 125239), (1807, 118031), (2227, 95771), (2363, 90259), (6943, 30719), (7367, 28951), (11713, 18209)]