28050939

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 48881664

約数和(自身を除く): 20830725

約数列:

[1, 3, 7, 9, 21, 31, 53, 63, 93, 159, 217, 271, 279, 371, 477, 651, 813, 1113, 1643, 1897, 1953, 2439, 3339, 4929, 5691, 8401, 11501, 14363, 14787, 17073, 25203, 34503, 43089, 58807, 75609, 100541, 103509, 129267, 176421, 301623, 445253, 529263, 904869, 1335759, 3116771, 4007277, 9350313, 28050939]

約数ペア:

[(1, 28050939), (3, 9350313), (7, 4007277), (9, 3116771), (21, 1335759), (31, 904869), (53, 529263), (63, 445253), (93, 301623), (159, 176421), (217, 129267), (271, 103509), (279, 100541), (371, 75609), (477, 58807), (651, 43089), (813, 34503), (1113, 25203), (1643, 17073), (1897, 14787), (1953, 14363), (2439, 11501), (3339, 8401), (4929, 5691)]