81189189

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{36229}}^1$

素因数の和:36321

約数の個数: 16

約数和(自身を含む): 121732800

約数和(自身を除く): 40543611

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 36229, 108687, 326061, 978183, 3007007, 9021021, 27063063, 81189189]

約数ペア:

[(1, 81189189), (3, 27063063), (9, 9021021), (27, 3007007), (83, 978183), (249, 326061), (747, 108687), (2241, 36229)]