81545217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{39451}}^1$

素因数の和:39520

約数の個数: 16

約数和(自身を含む): 119302848

約数和(自身を除く): 37757631

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 39451, 118353, 512863, 1538589, 2090903, 6272709, 27181739, 81545217]

約数ペア:

[(1, 81545217), (3, 27181739), (13, 6272709), (39, 2090903), (53, 1538589), (159, 512863), (689, 118353), (2067, 39451)]