171877959

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{157831}}^1$

素因数の和:157859

約数の個数: 18

約数和(自身を含む): 272891528

約数和(自身を除く): 101013569

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 157831, 473493, 1420479, 1736141, 5208423, 15625269, 19097551, 57292653, 171877959]

約数ペア:

[(1, 171877959), (3, 57292653), (9, 19097551), (11, 15625269), (33, 5208423), (99, 1736141), (121, 1420479), (363, 473493), (1089, 157831)]