3872421

素因数分解:

$3^3\times 7^2\times {\mathrm{2927}}^1$

素因数の和:2950

約数の個数: 24

約数和(自身を含む): 6675840

約数和(自身を除く): 2803419

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2927, 8781, 20489, 26343, 61467, 79029, 143423, 184401, 430269, 553203, 1290807, 3872421]

約数ペア:

[(1, 3872421), (3, 1290807), (7, 553203), (9, 430269), (21, 184401), (27, 143423), (49, 79029), (63, 61467), (147, 26343), (189, 20489), (441, 8781), (1323, 2927)]