87168393

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{82781}}^1$

素因数の和:82806

約数の個数: 20

約数和(自身を含む): 140232708

約数和(自身を除く): 53064315

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 82781, 248343, 745029, 1076153, 2235087, 3228459, 6705261, 9685377, 29056131, 87168393]

約数ペア:

[(1, 87168393), (3, 29056131), (9, 9685377), (13, 6705261), (27, 3228459), (39, 2235087), (81, 1076153), (117, 745029), (351, 248343), (1053, 82781)]