16955199

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 25142832

約数和(自身を除く): 8187633

約数列:

[1, 3, 9, 73, 131, 197, 219, 393, 591, 657, 1179, 1773, 9563, 14381, 25807, 28689, 43143, 77421, 86067, 129429, 232263, 1883911, 5651733, 16955199]

約数ペア:

[(1, 16955199), (3, 5651733), (9, 1883911), (73, 232263), (131, 129429), (197, 86067), (219, 77421), (393, 43143), (591, 28689), (657, 25807), (1179, 14381), (1773, 9563)]