1991951247

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{422113}}^1$

素因数の和:422151

約数の個数: 24

約数和(自身を含む): 3143905072

約数和(自身を除く): 1151953825

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4719, 422113, 1266339, 4643243, 5487469, 13929729, 16462407, 51075673, 60362159, 153227019, 181086477, 663983749, 1991951247]

約数ペア:

[(1, 1991951247), (3, 663983749), (11, 181086477), (13, 153227019), (33, 60362159), (39, 51075673), (121, 16462407), (143, 13929729), (363, 5487469), (429, 4643243), (1573, 1266339), (4719, 422113)]