158978889

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 242009600

約数和(自身を除く): 83030711

約数列:

[1, 3, 9, 27, 73, 79, 219, 237, 657, 711, 1021, 1971, 2133, 3063, 5767, 9189, 17301, 27567, 51903, 74533, 80659, 155709, 223599, 241977, 670797, 725931, 2012391, 2177793, 5888107, 17664321, 52992963, 158978889]

約数ペア:

[(1, 158978889), (3, 52992963), (9, 17664321), (27, 5888107), (73, 2177793), (79, 2012391), (219, 725931), (237, 670797), (657, 241977), (711, 223599), (1021, 155709), (1971, 80659), (2133, 74533), (3063, 51903), (5767, 27567), (9189, 17301)]