247605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 419904

約数和(自身を除く): 172299

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 971, 2913, 4855, 14565, 16507, 49521, 82535, 247605]

約数ペア:

[(1, 247605), (3, 82535), (5, 49521), (15, 16507), (17, 14565), (51, 4855), (85, 2913), (255, 971)]