1320445

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 1870848

約数和(自身を除く): 550403

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 1217, 6085, 8519, 37727, 42595, 188635, 264089, 1320445]

約数ペア:

[(1, 1320445), (5, 264089), (7, 188635), (31, 42595), (35, 37727), (155, 8519), (217, 6085), (1085, 1217)]