52720209

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 79852032

約数和(自身を除く): 27131823

約数列:

[1, 3, 9, 23, 69, 207, 257, 771, 991, 2313, 2973, 5911, 8919, 17733, 22793, 53199, 68379, 205137, 254687, 764061, 2292183, 5857801, 17573403, 52720209]

約数ペア:

[(1, 52720209), (3, 17573403), (9, 5857801), (23, 2292183), (69, 764061), (207, 254687), (257, 205137), (771, 68379), (991, 53199), (2313, 22793), (2973, 17733), (5911, 8919)]