28327311

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 42314064

約数和(自身を除く): 13986753

約数列:

[1, 3, 9, 37, 111, 257, 331, 333, 771, 993, 2313, 2979, 9509, 12247, 28527, 36741, 85067, 85581, 110223, 255201, 765603, 3147479, 9442437, 28327311]

約数ペア:

[(1, 28327311), (3, 9442437), (9, 3147479), (37, 765603), (111, 255201), (257, 110223), (331, 85581), (333, 85067), (771, 36741), (993, 28527), (2313, 12247), (2979, 9509)]