87887187

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{6911}}^1$

素因数の和:7080

約数の個数: 20

約数和(自身を含む): 132143616

約数和(自身を除く): 44256429

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 6911, 12717, 20733, 62199, 186597, 559791, 1085027, 3255081, 9765243, 29295729, 87887187]

約数ペア:

[(1, 87887187), (3, 29295729), (9, 9765243), (27, 3255081), (81, 1085027), (157, 559791), (471, 186597), (1413, 62199), (4239, 20733), (6911, 12717)]