251012565

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{328121}}^1$

素因数の和:328149

約数の個数: 24

約数和(自身を含む): 460683288

約数和(自身を除く): 209670723

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 328121, 984363, 1640605, 2953089, 4921815, 5578057, 14765445, 16734171, 27890285, 50202513, 83670855, 251012565]

約数ペア:

[(1, 251012565), (3, 83670855), (5, 50202513), (9, 27890285), (15, 16734171), (17, 14765445), (45, 5578057), (51, 4921815), (85, 2953089), (153, 1640605), (255, 984363), (765, 328121)]