1997571081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{223367}}^1$

素因数の和:223652

約数の個数: 16

約数和(自身を含む): 2916292608

約数和(自身を除く): 918721527

約数列:

[1, 3, 11, 33, 271, 813, 2981, 8943, 223367, 670101, 2457037, 7371111, 60532457, 181597371, 665857027, 1997571081]

約数ペア:

[(1, 1997571081), (3, 665857027), (11, 181597371), (33, 60532457), (271, 7371111), (813, 2457037), (2981, 670101), (8943, 223367)]