81740427

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{2003}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 111326208

約数和(自身を除く): 29585781

約数列:

[1, 3, 61, 183, 223, 669, 2003, 6009, 13603, 40809, 122183, 366549, 446669, 1340007, 27246809, 81740427]

約数ペア:

[(1, 81740427), (3, 27246809), (61, 1340007), (183, 446669), (223, 366549), (669, 122183), (2003, 40809), (6009, 13603)]