31380909

素因数分解:

$3^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1481}}^1$

素因数の和:2500

約数の個数: 16

約数和(自身を含む): 47898240

約数和(自身を除く): 16517331

約数列:

[1, 3, 7, 21, 1009, 1481, 3027, 4443, 7063, 10367, 21189, 31101, 1494329, 4482987, 10460303, 31380909]

約数ペア:

[(1, 31380909), (3, 10460303), (7, 4482987), (21, 1494329), (1009, 31101), (1481, 21189), (3027, 10367), (4443, 7063)]