223289891

素因数分解:

${\mathrm{11}}^4\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:296

約数の個数: 20

約数和(自身を含む): 249691920

約数和(自身を除く): 26402029

約数列:

[1, 11, 101, 121, 151, 1111, 1331, 1661, 12221, 14641, 15251, 18271, 134431, 167761, 200981, 1478741, 1845371, 2210791, 20299081, 223289891]

約数ペア:

[(1, 223289891), (11, 20299081), (101, 2210791), (121, 1845371), (151, 1478741), (1111, 200981), (1331, 167761), (1661, 134431), (12221, 18271), (14641, 15251)]