212865741

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{195469}}^1$

素因数の和:195497

約数の個数: 18

約数和(自身を含む): 337967630

約数和(自身を除く): 125101889

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 195469, 586407, 1759221, 2150159, 6450477, 19351431, 23651749, 70955247, 212865741]

約数ペア:

[(1, 212865741), (3, 70955247), (9, 23651749), (11, 19351431), (33, 6450477), (99, 2150159), (121, 1759221), (363, 586407), (1089, 195469)]