7138173

素因数分解:

$3^1\times 7^4\times {\mathrm{991}}^1$

素因数の和:1022

約数の個数: 20

約数和(自身を含む): 11114368

約数和(自身を除く): 3976195

約数列:

[1, 3, 7, 21, 49, 147, 343, 991, 1029, 2401, 2973, 6937, 7203, 20811, 48559, 145677, 339913, 1019739, 2379391, 7138173]

約数ペア:

[(1, 7138173), (3, 2379391), (7, 1019739), (21, 339913), (49, 145677), (147, 48559), (343, 20811), (991, 7203), (1029, 6937), (2401, 2973)]