727623

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:716

約数の個数: 20

約数和(自身を含む): 1172248

約数和(自身を除く): 444625

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 691, 1053, 2073, 6219, 8983, 18657, 26949, 55971, 80847, 242541, 727623]

約数ペア:

[(1, 727623), (3, 242541), (9, 80847), (13, 55971), (27, 26949), (39, 18657), (81, 8983), (117, 6219), (351, 2073), (691, 1053)]