28711977

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{13537}}^1$

素因数の和:13648

約数の個数: 16

約数和(自身を含む): 44188032

約数和(自身を除く): 15476055

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 13537, 40611, 94759, 284277, 1367237, 4101711, 9570659, 28711977]

約数ペア:

[(1, 28711977), (3, 9570659), (7, 4101711), (21, 1367237), (101, 284277), (303, 94759), (707, 40611), (2121, 13537)]