201531705

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{4783}}^1$

素因数の和:4897

約数の個数: 24

約数和(自身を含む): 328718208

約数和(自身を除く): 127186503

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 2809, 4783, 8427, 14045, 14349, 23915, 42135, 71745, 253499, 760497, 1267495, 3802485, 13435447, 40306341, 67177235, 201531705]

約数ペア:

[(1, 201531705), (3, 67177235), (5, 40306341), (15, 13435447), (53, 3802485), (159, 1267495), (265, 760497), (795, 253499), (2809, 71745), (4783, 42135), (8427, 23915), (14045, 14349)]