28260001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21589}}^1$

素因数の和:21624

約数の個数: 16

約数和(自身を含む): 37307520

約数和(自身を除く): 9047519

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 21589, 151123, 237479, 367013, 1662353, 2569091, 4037143, 28260001]

約数ペア:

[(1, 28260001), (7, 4037143), (11, 2569091), (17, 1662353), (77, 367013), (119, 237479), (187, 151123), (1309, 21589)]