28772877

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^2$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 44771776

約数和(自身を除く): 15998899

約数列:

[1, 3, 7, 21, 73, 137, 219, 411, 511, 959, 1533, 2877, 10001, 18769, 30003, 56307, 70007, 131383, 210021, 394149, 1370137, 4110411, 9590959, 28772877]

約数ペア:

[(1, 28772877), (3, 9590959), (7, 4110411), (21, 1370137), (73, 394149), (137, 210021), (219, 131383), (411, 70007), (511, 56307), (959, 30003), (1533, 18769), (2877, 10001)]