19701231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9787}}^1$

素因数の和:9862

約数の個数: 16

約数和(自身を含む): 29129088

約数和(自身を除く): 9427857

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 9787, 29361, 107657, 322971, 597007, 1791021, 6567077, 19701231]

約数ペア:

[(1, 19701231), (3, 6567077), (11, 1791021), (33, 597007), (61, 322971), (183, 107657), (671, 29361), (2013, 9787)]