1491155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 1936224

約数和(自身を除く): 445069

約数列:

[1, 5, 17, 53, 85, 265, 331, 901, 1655, 4505, 5627, 17543, 28135, 87715, 298231, 1491155]

約数ペア:

[(1, 1491155), (5, 298231), (17, 87715), (53, 28135), (85, 17543), (265, 5627), (331, 4505), (901, 1655)]