2019965157

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{76159}}^1$

素因数の和:76593

約数の個数: 24

約数和(自身を含む): 3342510080

約数和(自身を除く): 1322544923

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789, 8841, 26523, 76159, 228477, 533113, 685431, 1599339, 4798017, 32062939, 96188817, 224440573, 288566451, 673321719, 2019965157]

約数ペア:

[(1, 2019965157), (3, 673321719), (7, 288566451), (9, 224440573), (21, 96188817), (63, 32062939), (421, 4798017), (1263, 1599339), (2947, 685431), (3789, 533113), (8841, 228477), (26523, 76159)]