905107

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 16

約数和(自身を含む): 1103872

約数和(自身を除く): 198765

約数列:

[1, 7, 31, 43, 97, 217, 301, 679, 1333, 3007, 4171, 9331, 21049, 29197, 129301, 905107]

約数ペア:

[(1, 905107), (7, 129301), (31, 29197), (43, 21049), (97, 9331), (217, 4171), (301, 3007), (679, 1333)]