289097919

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{265471}}^1$

素因数の和:265499

約数の個数: 18

約数和(自身を含む): 459001088

約数和(自身を除く): 169903169

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 265471, 796413, 2389239, 2920181, 8760543, 26281629, 32121991, 96365973, 289097919]

約数ペア:

[(1, 289097919), (3, 96365973), (9, 32121991), (11, 26281629), (33, 8760543), (99, 2920181), (121, 2389239), (363, 796413), (1089, 265471)]