1019739

素因数分解:

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

素因数の和:1015

約数の個数: 16

約数和(自身を含む): 1587200

約数和(自身を除く): 567461

約数列:

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

約数ペア:

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