2021287959

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{7499}}^1$

素因数の和:7724

約数の個数: 32

約数和(自身を含む): 3060000000

約数和(自身を除く): 1038712041

約数列:

[1, 3, 9, 27, 67, 149, 201, 447, 603, 1341, 1809, 4023, 7499, 9983, 22497, 29949, 67491, 89847, 202473, 269541, 502433, 1117351, 1507299, 3352053, 4521897, 10056159, 13565691, 30168477, 74862517, 224587551, 673762653, 2021287959]

約数ペア:

[(1, 2021287959), (3, 673762653), (9, 224587551), (27, 74862517), (67, 30168477), (149, 13565691), (201, 10056159), (447, 4521897), (603, 3352053), (1341, 1507299), (1809, 1117351), (4023, 502433), (7499, 269541), (9983, 202473), (22497, 89847), (29949, 67491)]