278372237

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{13613}}^1$

素因数の和:13661

約数の個数: 18

約数和(自身を含む): 331351146

約数和(自身を除く): 52978909

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 13613, 20449, 149743, 176969, 1647173, 1946659, 2300597, 21413249, 25306567, 278372237]

約数ペア:

[(1, 278372237), (11, 25306567), (13, 21413249), (121, 2300597), (143, 1946659), (169, 1647173), (1573, 176969), (1859, 149743), (13613, 20449)]