17988705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{57107}}^1$

素因数の和:57125

約数の個数: 24

約数和(自身を含む): 35635392

約数和(自身を除く): 17646687

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 57107, 171321, 285535, 399749, 513963, 856605, 1199247, 1998745, 2569815, 3597741, 5996235, 17988705]

約数ペア:

[(1, 17988705), (3, 5996235), (5, 3597741), (7, 2569815), (9, 1998745), (15, 1199247), (21, 856605), (35, 513963), (45, 399749), (63, 285535), (105, 171321), (315, 57107)]