28529739

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 49499648

約数和(自身を除く): 20969909

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 751, 1407, 1809, 2253, 4221, 5257, 5427, 6759, 12663, 15771, 20277, 37989, 47313, 50317, 60831, 141939, 150951, 352219, 425817, 452853, 1056657, 1358559, 3169971, 4075677, 9509913, 28529739]

約数ペア:

[(1, 28529739), (3, 9509913), (7, 4075677), (9, 3169971), (21, 1358559), (27, 1056657), (63, 452853), (67, 425817), (81, 352219), (189, 150951), (201, 141939), (469, 60831), (567, 50317), (603, 47313), (751, 37989), (1407, 20277), (1809, 15771), (2253, 12663), (4221, 6759), (5257, 5427)]