1621081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 2079360

約数和(自身を除く): 458279

約数列:

[1, 7, 11, 37, 77, 259, 407, 569, 2849, 3983, 6259, 21053, 43813, 147371, 231583, 1621081]

約数ペア:

[(1, 1621081), (7, 231583), (11, 147371), (37, 43813), (77, 21053), (259, 6259), (407, 3983), (569, 2849)]