8278641

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 13742144

約数和(自身を除く): 5463503

約数列:

[1, 3, 7, 9, 21, 63, 331, 397, 993, 1191, 2317, 2779, 2979, 3573, 6951, 8337, 20853, 25011, 131407, 394221, 919849, 1182663, 2759547, 8278641]

約数ペア:

[(1, 8278641), (3, 2759547), (7, 1182663), (9, 919849), (21, 394221), (63, 131407), (331, 25011), (397, 20853), (993, 8337), (1191, 6951), (2317, 3573), (2779, 2979)]