28473471

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3527}}^1$

素因数の和:3572

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 18942849

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3527, 8073, 10581, 31743, 45851, 81121, 95229, 137553, 243363, 412659, 730089, 1054573, 1237977, 2190267, 3163719, 9491157, 28473471]

約数ペア:

[(1, 28473471), (3, 9491157), (9, 3163719), (13, 2190267), (23, 1237977), (27, 1054573), (39, 730089), (69, 412659), (117, 243363), (207, 137553), (299, 95229), (351, 81121), (621, 45851), (897, 31743), (2691, 10581), (3527, 8073)]