389680767

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{24841}}^1$

素因数の和:24940

約数の個数: 32

約数和(自身を含む): 667752960

約数和(自身を除く): 278072193

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 2241, 5229, 15687, 24841, 74523, 173887, 223569, 521661, 670707, 1564983, 2061803, 4694949, 6185409, 14432621, 18556227, 43297863, 55668681, 129893589, 389680767]

約数ペア:

[(1, 389680767), (3, 129893589), (7, 55668681), (9, 43297863), (21, 18556227), (27, 14432621), (63, 6185409), (83, 4694949), (189, 2061803), (249, 1564983), (581, 670707), (747, 521661), (1743, 223569), (2241, 173887), (5229, 74523), (15687, 24841)]