28216311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 43119360

約数和(自身を除く): 14903049

約数列:

[1, 3, 17, 19, 37, 51, 57, 111, 323, 629, 703, 787, 969, 1887, 2109, 2361, 11951, 13379, 14953, 29119, 35853, 40137, 44859, 87357, 254201, 495023, 553261, 762603, 1485069, 1659783, 9405437, 28216311]

約数ペア:

[(1, 28216311), (3, 9405437), (17, 1659783), (19, 1485069), (37, 762603), (51, 553261), (57, 495023), (111, 254201), (323, 87357), (629, 44859), (703, 40137), (787, 35853), (969, 29119), (1887, 14953), (2109, 13379), (2361, 11951)]