64520729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 84913920

約数和(自身を除く): 20393191

約数列:

[1, 7, 13, 17, 91, 119, 179, 221, 233, 1253, 1547, 1631, 2327, 3029, 3043, 3961, 16289, 21203, 21301, 27727, 39559, 41707, 51493, 276913, 291949, 360451, 542191, 709019, 3795337, 4963133, 9217247, 64520729]

約数ペア:

[(1, 64520729), (7, 9217247), (13, 4963133), (17, 3795337), (91, 709019), (119, 542191), (179, 360451), (221, 291949), (233, 276913), (1253, 51493), (1547, 41707), (1631, 39559), (2327, 27727), (3029, 21301), (3043, 21203), (3961, 16289)]