7813827

素因数分解:

$3^4\times 7^1\times {\mathrm{13781}}^1$

素因数の和:13800

約数の個数: 20

約数和(自身を含む): 13340976

約数和(自身を除く): 5527149

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13781, 41343, 96467, 124029, 289401, 372087, 868203, 1116261, 2604609, 7813827]

約数ペア:

[(1, 7813827), (3, 2604609), (7, 1116261), (9, 868203), (21, 372087), (27, 289401), (63, 124029), (81, 96467), (189, 41343), (567, 13781)]