172679221

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 206041472

約数和(自身を除く): 33362251

約数列:

[1, 11, 13, 121, 143, 151, 727, 1573, 1661, 1963, 7997, 9451, 18271, 21593, 87967, 103961, 109777, 237523, 1143571, 1207547, 1427101, 13283017, 15698111, 172679221]

約数ペア:

[(1, 172679221), (11, 15698111), (13, 13283017), (121, 1427101), (143, 1207547), (151, 1143571), (727, 237523), (1573, 109777), (1661, 103961), (1963, 87967), (7997, 21593), (9451, 18271)]