213045145

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{1559}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 258935040

約数和(自身を除く): 45889895

約数列:

[1, 5, 151, 181, 755, 905, 1559, 7795, 27331, 136655, 235409, 282179, 1177045, 1410895, 42609029, 213045145]

約数ペア:

[(1, 213045145), (5, 42609029), (151, 1410895), (181, 1177045), (755, 282179), (905, 235409), (1559, 136655), (7795, 27331)]