71884827

素因数分解:

$3^4\times 7^1\times {\mathrm{126781}}^1$

素因数の和:126800

約数の個数: 20

約数和(自身を含む): 122724976

約数和(自身を除く): 50840149

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 126781, 380343, 887467, 1141029, 2662401, 3423087, 7987203, 10269261, 23961609, 71884827]

約数ペア:

[(1, 71884827), (3, 23961609), (7, 10269261), (9, 7987203), (21, 3423087), (27, 2662401), (63, 1141029), (81, 887467), (189, 380343), (567, 126781)]