2667492093

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{644789}}^1$

素因数の和:644996

約数の個数: 16

約数和(自身を含む): 4085389440

約数和(自身を除く): 1417897347

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 644789, 1934367, 4513523, 13540569, 127023433, 381070299, 889164031, 2667492093]

約数ペア:

[(1, 2667492093), (3, 889164031), (7, 381070299), (21, 127023433), (197, 13540569), (591, 4513523), (1379, 1934367), (4137, 644789)]