28974231

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 21345129

約数列:

[1, 3, 9, 11, 13, 33, 39, 47, 99, 117, 141, 143, 423, 429, 479, 517, 611, 1287, 1437, 1551, 1833, 4311, 4653, 5269, 5499, 6227, 6721, 15807, 18681, 20163, 22513, 47421, 56043, 60489, 67539, 68497, 202617, 205491, 247643, 292669, 616473, 742929, 878007, 2228787, 2634021, 3219359, 9658077, 28974231]

約数ペア:

[(1, 28974231), (3, 9658077), (9, 3219359), (11, 2634021), (13, 2228787), (33, 878007), (39, 742929), (47, 616473), (99, 292669), (117, 247643), (141, 205491), (143, 202617), (423, 68497), (429, 67539), (479, 60489), (517, 56043), (611, 47421), (1287, 22513), (1437, 20163), (1551, 18681), (1833, 15807), (4311, 6721), (4653, 6227), (5269, 5499)]