69980001

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{256337}}^1$

素因数の和:256360

約数の個数: 16

約数和(自身を含む): 114839424

約数和(自身を除く): 44859423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 256337, 769011, 1794359, 3332381, 5383077, 9997143, 23326667, 69980001]

約数ペア:

[(1, 69980001), (3, 23326667), (7, 9997143), (13, 5383077), (21, 3332381), (39, 1794359), (91, 769011), (273, 256337)]