13971345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21661}}^1$

素因数の和:21712

約数の個数: 16

約数和(自身を含む): 22875072

約数和(自身を除く): 8903727

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 21661, 64983, 108305, 324915, 931423, 2794269, 4657115, 13971345]

約数ペア:

[(1, 13971345), (3, 4657115), (5, 2794269), (15, 931423), (43, 324915), (129, 108305), (215, 64983), (645, 21661)]