206840565

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 367960320

約数和(自身を除く): 161119755

約数列:

[1, 3, 5, 9, 15, 45, 79, 83, 237, 249, 395, 415, 701, 711, 747, 1185, 1245, 2103, 3505, 3555, 3735, 6309, 6557, 10515, 19671, 31545, 32785, 55379, 58183, 59013, 98355, 166137, 174549, 276895, 290915, 295065, 498411, 523647, 830685, 872745, 2492055, 2618235, 4596457, 13789371, 22982285, 41368113, 68946855, 206840565]

約数ペア:

[(1, 206840565), (3, 68946855), (5, 41368113), (9, 22982285), (15, 13789371), (45, 4596457), (79, 2618235), (83, 2492055), (237, 872745), (249, 830685), (395, 523647), (415, 498411), (701, 295065), (711, 290915), (747, 276895), (1185, 174549), (1245, 166137), (2103, 98355), (3505, 59013), (3555, 58183), (3735, 55379), (6309, 32785), (6557, 31545), (10515, 19671)]