172289691

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{63599}}^1$

素因数の和:63655

約数の個数: 24

約数和(自身を含む): 291033600

約数和(自身を除く): 118743909

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 63599, 190797, 445193, 572391, 1335579, 2734757, 4006737, 8204271, 19143299, 24612813, 57429897, 172289691]

約数ペア:

[(1, 172289691), (3, 57429897), (7, 24612813), (9, 19143299), (21, 8204271), (43, 4006737), (63, 2734757), (129, 1335579), (301, 572391), (387, 445193), (903, 190797), (2709, 63599)]