28778943

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 13798977

約数列:

[1, 3, 17, 31, 51, 93, 109, 167, 327, 501, 527, 1581, 1853, 2839, 3379, 5177, 5559, 8517, 10137, 15531, 18203, 54609, 57443, 88009, 172329, 264027, 309451, 564293, 928353, 1692879, 9592981, 28778943]

約数ペア:

[(1, 28778943), (3, 9592981), (17, 1692879), (31, 928353), (51, 564293), (93, 309451), (109, 264027), (167, 172329), (327, 88009), (501, 57443), (527, 54609), (1581, 18203), (1853, 15531), (2839, 10137), (3379, 8517), (5177, 5559)]