213479903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{5443}}^1$

素因数の和:5894

約数の個数: 16

約数和(自身を含む): 263402496

約数和(自身を除く): 49922593

約数列:

[1, 7, 13, 91, 431, 3017, 5443, 5603, 38101, 39221, 70759, 495313, 2345933, 16421531, 30497129, 213479903]

約数ペア:

[(1, 213479903), (7, 30497129), (13, 16421531), (91, 2345933), (431, 495313), (3017, 70759), (5443, 39221), (5603, 38101)]