209712481

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{4801}}^1$

素因数の和:4861

約数の個数: 18

約数和(自身を含む): 243331746

約数和(自身を除く): 33619265

約数列:

[1, 11, 19, 121, 209, 361, 2299, 3971, 4801, 43681, 52811, 91219, 580921, 1003409, 1733161, 11037499, 19064771, 209712481]

約数ペア:

[(1, 209712481), (11, 19064771), (19, 11037499), (121, 1733161), (209, 1003409), (361, 580921), (2299, 91219), (3971, 52811), (4801, 43681)]