2148993

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 3948048

約数和(自身を除く): 1799055

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 443, 539, 693, 1329, 1617, 3101, 3987, 4851, 4873, 9303, 14619, 21707, 27909, 34111, 43857, 65121, 102333, 195363, 238777, 306999, 716331, 2148993]

約数ペア:

[(1, 2148993), (3, 716331), (7, 306999), (9, 238777), (11, 195363), (21, 102333), (33, 65121), (49, 43857), (63, 34111), (77, 27909), (99, 21707), (147, 14619), (231, 9303), (441, 4873), (443, 4851), (539, 3987), (693, 3101), (1329, 1617)]