158840209

素因数分解:

${\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:634

約数の個数: 20

約数和(自身を含む): 184241200

約数和(自身を除く): 25400991

約数列:

[1, 11, 19, 121, 209, 571, 1331, 2299, 6281, 10849, 14641, 25289, 69091, 119339, 278179, 760001, 1312729, 8360011, 14440019, 158840209]

約数ペア:

[(1, 158840209), (11, 14440019), (19, 8360011), (121, 1312729), (209, 760001), (571, 278179), (1331, 119339), (2299, 69091), (6281, 25289), (10849, 14641)]