81318549

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67261}}^1$

素因数の和:67308

約数の個数: 16

約数和(自身を含む): 120533504

約数和(自身を除く): 39214955

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 67261, 201783, 874393, 2085091, 2623179, 6255273, 27106183, 81318549]

約数ペア:

[(1, 81318549), (3, 27106183), (13, 6255273), (31, 2623179), (39, 2085091), (93, 874393), (403, 201783), (1209, 67261)]