987867

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 1544400

約数和(自身を除く): 556533

約数列:

[1, 3, 9, 19, 53, 57, 109, 159, 171, 327, 477, 981, 1007, 2071, 3021, 5777, 6213, 9063, 17331, 18639, 51993, 109763, 329289, 987867]

約数ペア:

[(1, 987867), (3, 329289), (9, 109763), (19, 51993), (53, 18639), (57, 17331), (109, 9063), (159, 6213), (171, 5777), (327, 3021), (477, 2071), (981, 1007)]