13020623

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 18150480

約数和(自身を除く): 5129857

約数列:

[1, 7, 11, 17, 29, 49, 77, 119, 187, 203, 319, 343, 493, 539, 833, 1309, 1421, 2233, 2401, 3451, 3773, 5423, 5831, 9163, 9947, 15631, 24157, 26411, 37961, 40817, 64141, 69629, 109417, 169099, 265727, 448987, 765919, 1183693, 1860089, 13020623]

約数ペア:

[(1, 13020623), (7, 1860089), (11, 1183693), (17, 765919), (29, 448987), (49, 265727), (77, 169099), (119, 109417), (187, 69629), (203, 64141), (319, 40817), (343, 37961), (493, 26411), (539, 24157), (833, 15631), (1309, 9947), (1421, 9163), (2233, 5831), (2401, 5423), (3451, 3773)]