39447993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21521}}^1$

素因数の和:21584

約数の個数: 16

約数和(自身を含む): 57851136

約数和(自身を除く): 18403143

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 21521, 64563, 279773, 839319, 1011487, 3034461, 13149331, 39447993]

約数ペア:

[(1, 39447993), (3, 13149331), (13, 3034461), (39, 1011487), (47, 839319), (141, 279773), (611, 64563), (1833, 21521)]