81080154

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{63443}}^1$

素因数の和:63522

約数の個数: 24

約数和(自身を含む): 178150752

約数和(自身を除く): 97070598

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 63443, 126886, 190329, 380658, 570987, 1141974, 4504453, 9008906, 13513359, 27026718, 40540077, 81080154]

約数ペア:

[(1, 81080154), (2, 40540077), (3, 27026718), (6, 13513359), (9, 9008906), (18, 4504453), (71, 1141974), (142, 570987), (213, 380658), (426, 190329), (639, 126886), (1278, 63443)]