12970209

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8699}}^1$

素因数の和:8780

約数の個数: 16

約数和(自身を含む): 20044800

約数和(自身を除く): 7074591

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 8699, 26097, 60893, 182679, 617629, 1852887, 4323403, 12970209]

約数ペア:

[(1, 12970209), (3, 4323403), (7, 1852887), (21, 617629), (71, 182679), (213, 60893), (497, 26097), (1491, 8699)]