81345681

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{73483}}^1$

素因数の和:73533

約数の個数: 16

約数和(自身を含む): 123453120

約数和(自身を除く): 42107439

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 73483, 220449, 661347, 1984041, 3012803, 9038409, 27115227, 81345681]

約数ペア:

[(1, 81345681), (3, 27115227), (9, 9038409), (27, 3012803), (41, 1984041), (123, 661347), (369, 220449), (1107, 73483)]