262509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 387072

約数和(自身を除く): 124563

約数列:

[1, 3, 13, 39, 53, 127, 159, 381, 689, 1651, 2067, 4953, 6731, 20193, 87503, 262509]

約数ペア:

[(1, 262509), (3, 87503), (13, 20193), (39, 6731), (53, 4953), (127, 2067), (159, 1651), (381, 689)]