39638109

素因数分解:

$3^1\times 7^4\times {\mathrm{5503}}^1$

素因数の和:5534

約数の個数: 20

約数和(自身を含む): 61666816

約数和(自身を除く): 22028707

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 5503, 7203, 16509, 38521, 115563, 269647, 808941, 1887529, 5662587, 13212703, 39638109]

約数ペア:

[(1, 39638109), (3, 13212703), (7, 5662587), (21, 1887529), (49, 808941), (147, 269647), (343, 115563), (1029, 38521), (2401, 16509), (5503, 7203)]