213470309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{31159}}^1$

素因数の和:31220

約数の個数: 16

約数和(自身を含む): 251274240

約数和(自身を除く): 37803931

約数列:

[1, 13, 17, 31, 221, 403, 527, 6851, 31159, 405067, 529703, 965929, 6886139, 12557077, 16420793, 213470309]

約数ペア:

[(1, 213470309), (13, 16420793), (17, 12557077), (31, 6886139), (221, 965929), (403, 529703), (527, 405067), (6851, 31159)]