1215672939

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{799259}}^1$

素因数の和:799291

約数の個数: 18

約数和(自身を含む): 1901439540

約数和(自身を除く): 685766601

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 799259, 2397777, 7193331, 10390367, 31171101, 93513303, 135074771, 405224313, 1215672939]

約数ペア:

[(1, 1215672939), (3, 405224313), (9, 135074771), (13, 93513303), (39, 31171101), (117, 10390367), (169, 7193331), (507, 2397777), (1521, 799259)]