261634347

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{745397}}^1$

素因数の和:745419

約数の個数: 16

約数和(自身を含む): 417422880

約数和(自身を除く): 155788533

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 745397, 2236191, 6708573, 9690161, 20125719, 29070483, 87211449, 261634347]

約数ペア:

[(1, 261634347), (3, 87211449), (9, 29070483), (13, 20125719), (27, 9690161), (39, 6708573), (117, 2236191), (351, 745397)]