81040257

素因数分解:

$3^5\times {\mathrm{167}}^1\times {\mathrm{1997}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 122181696

約数和(自身を除く): 41141439

約数列:

[1, 3, 9, 27, 81, 167, 243, 501, 1503, 1997, 4509, 5991, 13527, 17973, 40581, 53919, 161757, 333499, 485271, 1000497, 3001491, 9004473, 27013419, 81040257]

約数ペア:

[(1, 81040257), (3, 27013419), (9, 9004473), (27, 3001491), (81, 1000497), (167, 485271), (243, 333499), (501, 161757), (1503, 53919), (1997, 40581), (4509, 17973), (5991, 13527)]