81408753

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{389}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 126547200

約数和(自身を除く): 45138447

約数列:

[1, 3, 9, 23, 27, 69, 207, 337, 389, 621, 1011, 1167, 3033, 3501, 7751, 8947, 9099, 10503, 23253, 26841, 69759, 80523, 131093, 209277, 241569, 393279, 1179837, 3015139, 3539511, 9045417, 27136251, 81408753]

約数ペア:

[(1, 81408753), (3, 27136251), (9, 9045417), (23, 3539511), (27, 3015139), (69, 1179837), (207, 393279), (337, 241569), (389, 209277), (621, 131093), (1011, 80523), (1167, 69759), (3033, 26841), (3501, 23253), (7751, 10503), (8947, 9099)]