187848991

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 219769200

約数和(自身を除く): 31920209

約数列:

[1, 11, 19, 101, 121, 209, 809, 1111, 1919, 2299, 8899, 12221, 15371, 21109, 81709, 97889, 169081, 232199, 898799, 1552471, 1859891, 9886789, 17077181, 187848991]

約数ペア:

[(1, 187848991), (11, 17077181), (19, 9886789), (101, 1859891), (121, 1552471), (209, 898799), (809, 232199), (1111, 169081), (1919, 97889), (2299, 81709), (8899, 21109), (12221, 15371)]