721981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 16

約数和(自身を含む): 851200

約数和(自身を除く): 129219

約数列:

[1, 13, 19, 37, 79, 247, 481, 703, 1027, 1501, 2923, 9139, 19513, 37999, 55537, 721981]

約数ペア:

[(1, 721981), (13, 55537), (19, 37999), (37, 19513), (79, 9139), (247, 2923), (481, 1501), (703, 1027)]