515750085

素因数分解:

$3^4\times 5^1\times {\mathrm{1273457}}^1$

素因数の和:1273474

約数の個数: 20

約数和(自身を含む): 924530508

約数和(自身を除く): 408780423

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1273457, 3820371, 6367285, 11461113, 19101855, 34383339, 57305565, 103150017, 171916695, 515750085]

約数ペア:

[(1, 515750085), (3, 171916695), (5, 103150017), (9, 57305565), (15, 34383339), (27, 19101855), (45, 11461113), (81, 6367285), (135, 3820371), (405, 1273457)]