28540755

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3745

約数の個数: 40

約数和(自身を含む): 53869200

約数和(自身を除く): 25328445

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 3709, 7695, 11127, 18545, 33381, 55635, 70471, 100143, 166905, 211413, 300429, 352355, 500715, 634239, 1057065, 1502145, 1902717, 3171195, 5708151, 9513585, 28540755]

約数ペア:

[(1, 28540755), (3, 9513585), (5, 5708151), (9, 3171195), (15, 1902717), (19, 1502145), (27, 1057065), (45, 634239), (57, 500715), (81, 352355), (95, 300429), (135, 211413), (171, 166905), (285, 100143), (405, 70471), (513, 55635), (855, 33381), (1539, 18545), (2565, 11127), (3709, 7695)]