28219347

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{8933}}^1$

素因数の和:8961

約数の個数: 24

約数和(自身を含む): 45527664

約数和(自身を除く): 17308317

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 8933, 26799, 80397, 116129, 241191, 348387, 723573, 1045161, 2170719, 3135483, 9406449, 28219347]

約数ペア:

[(1, 28219347), (3, 9406449), (9, 3135483), (13, 2170719), (27, 1045161), (39, 723573), (81, 348387), (117, 241191), (243, 116129), (351, 80397), (1053, 26799), (3159, 8933)]