516987

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 823680

約数和(自身を除く): 306693

約数列:

[1, 3, 9, 17, 31, 51, 93, 109, 153, 279, 327, 527, 981, 1581, 1853, 3379, 4743, 5559, 10137, 16677, 30411, 57443, 172329, 516987]

約数ペア:

[(1, 516987), (3, 172329), (9, 57443), (17, 30411), (31, 16677), (51, 10137), (93, 5559), (109, 4743), (153, 3379), (279, 1853), (327, 1581), (527, 981)]