29986281

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{28477}}^1$

素因数の和:28502

約数の個数: 20

約数和(自身を含む): 48241732

約数和(自身を除く): 18255451

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 28477, 85431, 256293, 370201, 768879, 1110603, 2306637, 3331809, 9995427, 29986281]

約数ペア:

[(1, 29986281), (3, 9995427), (9, 3331809), (13, 2306637), (27, 1110603), (39, 768879), (81, 370201), (117, 256293), (351, 85431), (1053, 28477)]