81388827

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{231877}}^1$

素因数の和:231899

約数の個数: 16

約数和(自身を含む): 129851680

約数和(自身を除く): 48462853

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 231877, 695631, 2086893, 3014401, 6260679, 9043203, 27129609, 81388827]

約数ペア:

[(1, 81388827), (3, 27129609), (9, 9043203), (13, 6260679), (27, 3014401), (39, 2086893), (117, 695631), (351, 231877)]