28283661

素因数分解:

$3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 48949824

約数和(自身を除く): 20666163

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 249, 567, 581, 601, 747, 1743, 1803, 2241, 4207, 5229, 5409, 6723, 12621, 15687, 16227, 37863, 47061, 48681, 49883, 113589, 149649, 340767, 349181, 448947, 1047543, 1346841, 3142629, 4040523, 9427887, 28283661]

約数ペア:

[(1, 28283661), (3, 9427887), (7, 4040523), (9, 3142629), (21, 1346841), (27, 1047543), (63, 448947), (81, 349181), (83, 340767), (189, 149649), (249, 113589), (567, 49883), (581, 48681), (601, 47061), (747, 37863), (1743, 16227), (1803, 15687), (2241, 12621), (4207, 6723), (5229, 5409)]