81263665

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{122201}}^1$

素因数の和:122232

約数の個数: 16

約数和(自身を含む): 117313920

約数和(自身を除く): 36050255

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 122201, 611005, 855407, 2321819, 4277035, 11609095, 16252733, 81263665]

約数ペア:

[(1, 81263665), (5, 16252733), (7, 11609095), (19, 4277035), (35, 2321819), (95, 855407), (133, 611005), (665, 122201)]