28001589

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17317}}^1$

素因数の和:17345

約数の個数: 24

約数和(自身を含む): 47382048

約数和(自身を除く): 19380459

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17317, 51951, 121219, 190487, 363657, 571461, 848533, 1333409, 2545599, 4000227, 9333863, 28001589]

約数ペア:

[(1, 28001589), (3, 9333863), (7, 4000227), (11, 2545599), (21, 1333409), (33, 848533), (49, 571461), (77, 363657), (147, 190487), (231, 121219), (539, 51951), (1617, 17317)]