201981105

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{104383}}^1$

素因数の和:104437

約数の個数: 24

約数和(自身を含む): 358245888

約数和(自身を除く): 156264783

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 104383, 313149, 521915, 939447, 1565745, 4488469, 4697235, 13465407, 22442345, 40396221, 67327035, 201981105]

約数ペア:

[(1, 201981105), (3, 67327035), (5, 40396221), (9, 22442345), (15, 13465407), (43, 4697235), (45, 4488469), (129, 1565745), (215, 939447), (387, 521915), (645, 313149), (1935, 104383)]