1261886973

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{389111}}^1$

素因数の和:389184

約数の個数: 16

約数和(自身を含む): 1793028096

約数和(自身を除く): 531141123

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 389111, 1167333, 8949553, 18288217, 26848659, 54864651, 420628991, 1261886973]

約数ペア:

[(1, 1261886973), (3, 420628991), (23, 54864651), (47, 26848659), (69, 18288217), (141, 8949553), (1081, 1167333), (3243, 389111)]