13608917

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 16751160

約数和(自身を除く): 3142243

約数列:

[1, 7, 29, 49, 61, 157, 203, 427, 1099, 1421, 1769, 2989, 4553, 7693, 9577, 12383, 31871, 67039, 86681, 223097, 277733, 469273, 1944131, 13608917]

約数ペア:

[(1, 13608917), (7, 1944131), (29, 469273), (49, 277733), (61, 223097), (157, 86681), (203, 67039), (427, 31871), (1099, 12383), (1421, 9577), (1769, 7693), (2989, 4553)]