28039953

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1523}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 41806368

約数和(自身を除く): 13766415

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 1523, 4569, 6137, 18411, 25891, 28937, 77673, 86811, 491929, 549803, 1475787, 1649409, 9346651, 28039953]

約数ペア:

[(1, 28039953), (3, 9346651), (17, 1649409), (19, 1475787), (51, 549803), (57, 491929), (323, 86811), (361, 77673), (969, 28937), (1083, 25891), (1523, 18411), (4569, 6137)]