28927731

素因数分解:

$3^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1553}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 44158464

約数和(自身を除く): 15230733

約数列:

[1, 3, 7, 21, 887, 1553, 2661, 4659, 6209, 10871, 18627, 32613, 1377511, 4132533, 9642577, 28927731]

約数ペア:

[(1, 28927731), (3, 9642577), (7, 4132533), (21, 1377511), (887, 32613), (1553, 18627), (2661, 10871), (4659, 6209)]