1391013

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1346

約数の個数: 20

約数和(自身を含む): 2239468

約数和(自身を除く): 848455

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1321, 3963, 11889, 17173, 35667, 51519, 107001, 154557, 463671, 1391013]

約数ペア:

[(1, 1391013), (3, 463671), (9, 154557), (13, 107001), (27, 51519), (39, 35667), (81, 17173), (117, 11889), (351, 3963), (1053, 1321)]