31189509

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5227}}^1$

素因数の和:5266

約数の個数: 32

約数和(自身を含む): 52698240

約数和(自身を除く): 21508731

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5227, 5967, 15681, 47043, 67951, 88859, 141129, 203853, 266577, 611559, 799731, 1155167, 1834677, 2399193, 3465501, 10396503, 31189509]

約数ペア:

[(1, 31189509), (3, 10396503), (9, 3465501), (13, 2399193), (17, 1834677), (27, 1155167), (39, 799731), (51, 611559), (117, 266577), (153, 203853), (221, 141129), (351, 88859), (459, 67951), (663, 47043), (1989, 15681), (5227, 5967)]