81688803

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{26107}}^1$

素因数の和:26266

約数の個数: 16

約数和(自身を含む): 125318400

約数和(自身を除く): 43629597

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 26107, 78321, 182749, 548247, 3889943, 11669829, 27229601, 81688803]

約数ペア:

[(1, 81688803), (3, 27229601), (7, 11669829), (21, 3889943), (149, 548247), (447, 182749), (1043, 78321), (3129, 26107)]