1390223853

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{983881}}^1$

素因数の和:984044

約数の個数: 12

約数和(自身を含む): 2020893628

約数和(自身を除く): 630669775

約数列:

[1, 3, 9, 157, 471, 1413, 983881, 2951643, 8854929, 154469317, 463407951, 1390223853]

約数ペア:

[(1, 1390223853), (3, 463407951), (9, 154469317), (157, 8854929), (471, 2951643), (1413, 983881)]