2720003

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 3338496

約数和(自身を除く): 618493

約数列:

[1, 11, 13, 23, 143, 253, 299, 827, 3289, 9097, 10751, 19021, 118261, 209231, 247273, 2720003]

約数ペア:

[(1, 2720003), (11, 247273), (13, 209231), (23, 118261), (143, 19021), (253, 10751), (299, 9097), (827, 3289)]