13019715

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 23224656

約数和(自身を除く): 10204941

約数列:

[1, 3, 5, 9, 15, 45, 53, 103, 159, 265, 309, 477, 515, 795, 927, 1545, 2385, 2809, 4635, 5459, 8427, 14045, 16377, 25281, 27295, 42135, 49131, 81885, 126405, 245655, 289327, 867981, 1446635, 2603943, 4339905, 13019715]

約数ペア:

[(1, 13019715), (3, 4339905), (5, 2603943), (9, 1446635), (15, 867981), (45, 289327), (53, 245655), (103, 126405), (159, 81885), (265, 49131), (309, 42135), (477, 27295), (515, 25281), (795, 16377), (927, 14045), (1545, 8427), (2385, 5459), (2809, 4635)]