15928381

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:221

約数の個数: 18

約数和(自身を含む): 19094202

約数和(自身を除く): 3165821

約数列:

[1, 7, 49, 61, 73, 427, 511, 2989, 3577, 4453, 5329, 31171, 37303, 218197, 261121, 325069, 2275483, 15928381]

約数ペア:

[(1, 15928381), (7, 2275483), (49, 325069), (61, 261121), (73, 218197), (427, 37303), (511, 31171), (2989, 5329), (3577, 4453)]