81268317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18773}}^1$

素因数の和:18829

約数の個数: 24

約数和(自身を含む): 129840984

約数和(自身を除く): 48572667

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 18773, 56319, 168957, 244049, 694601, 732147, 2083803, 2196441, 6251409, 9029813, 27089439, 81268317]

約数ペア:

[(1, 81268317), (3, 27089439), (9, 9029813), (13, 6251409), (37, 2196441), (39, 2083803), (111, 732147), (117, 694601), (333, 244049), (481, 168957), (1443, 56319), (4329, 18773)]