196605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 362232

約数和(自身を除く): 165627

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 257, 765, 771, 1285, 2313, 3855, 4369, 11565, 13107, 21845, 39321, 65535, 196605]

約数ペア:

[(1, 196605), (3, 65535), (5, 39321), (9, 21845), (15, 13107), (17, 11565), (45, 4369), (51, 3855), (85, 2313), (153, 1285), (255, 771), (257, 765)]