81175419

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{231269}}^1$

素因数の和:231291

約数の個数: 16

約数和(自身を含む): 129511200

約数和(自身を除く): 48335781

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 231269, 693807, 2081421, 3006497, 6244263, 9019491, 27058473, 81175419]

約数ペア:

[(1, 81175419), (3, 27058473), (9, 9019491), (13, 6244263), (27, 3006497), (39, 2081421), (117, 693807), (351, 231269)]