2011490427

素因数分解:

$3^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1\times {\mathrm{6197}}^1$

素因数の和:6878

約数の個数: 16

約数和(自身を含む): 2699253792

約数和(自身を除く): 687763365

約数列:

[1, 3, 257, 421, 771, 1263, 6197, 18591, 108197, 324591, 1592629, 2608937, 4777887, 7826811, 670496809, 2011490427]

約数ペア:

[(1, 2011490427), (3, 670496809), (257, 7826811), (421, 4777887), (771, 2608937), (1263, 1592629), (6197, 324591), (18591, 108197)]