120840105

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{187349}}^1$

素因数の和:187400

約数の個数: 16

約数和(自身を含む): 197841600

約数和(自身を除く): 77001495

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 187349, 562047, 936745, 2810235, 8056007, 24168021, 40280035, 120840105]

約数ペア:

[(1, 120840105), (3, 40280035), (5, 24168021), (15, 8056007), (43, 2810235), (129, 936745), (215, 562047), (645, 187349)]