2019979647

素因数分解:

$3^3\times 7^1\times {\mathrm{1861}}^1\times {\mathrm{5743}}^1$

素因数の和:7620

約数の個数: 32

約数和(自身を含む): 3422504960

約数和(自身を除く): 1402525313

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1861, 5583, 5743, 13027, 16749, 17229, 39081, 40201, 50247, 51687, 117243, 120603, 155061, 351729, 361809, 1085427, 10687723, 32063169, 74814061, 96189507, 224442183, 288568521, 673326549, 2019979647]

約数ペア:

[(1, 2019979647), (3, 673326549), (7, 288568521), (9, 224442183), (21, 96189507), (27, 74814061), (63, 32063169), (189, 10687723), (1861, 1085427), (5583, 361809), (5743, 351729), (13027, 155061), (16749, 120603), (17229, 117243), (39081, 51687), (40201, 50247)]