78661557

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17239}}^1$

素因数の和:17274

約数の個数: 24

約数和(自身を含む): 126196800

約数和(自身を除く): 47535243

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 17239, 51717, 155151, 224107, 465453, 672321, 2016963, 2913391, 6050889, 8740173, 26220519, 78661557]

約数ペア:

[(1, 78661557), (3, 26220519), (9, 8740173), (13, 6050889), (27, 2913391), (39, 2016963), (117, 672321), (169, 465453), (351, 224107), (507, 155151), (1521, 51717), (4563, 17239)]