1291005

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 2344320

約数和(自身を除く): 1053315

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 131, 135, 219, 365, 393, 655, 657, 1095, 1179, 1965, 1971, 3285, 3537, 5895, 9563, 9855, 17685, 28689, 47815, 86067, 143445, 258201, 430335, 1291005]

約数ペア:

[(1, 1291005), (3, 430335), (5, 258201), (9, 143445), (15, 86067), (27, 47815), (45, 28689), (73, 17685), (131, 9855), (135, 9563), (219, 5895), (365, 3537), (393, 3285), (655, 1971), (657, 1965), (1095, 1179)]