28145397

素因数分解:

$3^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1511}}^1$

素因数の和:2408

約数の個数: 16

約数和(自身を含む): 42964992

約数和(自身を除く): 14819595

約数列:

[1, 3, 7, 21, 887, 1511, 2661, 4533, 6209, 10577, 18627, 31731, 1340257, 4020771, 9381799, 28145397]

約数ペア:

[(1, 28145397), (3, 9381799), (7, 4020771), (21, 1340257), (887, 31731), (1511, 18627), (2661, 10577), (4533, 6209)]