855315

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 1506960

約数和(自身を除く): 651645

約数列:

[1, 3, 5, 9, 15, 45, 83, 229, 249, 415, 687, 747, 1145, 1245, 2061, 3435, 3735, 10305, 19007, 57021, 95035, 171063, 285105, 855315]

約数ペア:

[(1, 855315), (3, 285105), (5, 171063), (9, 95035), (15, 57021), (45, 19007), (83, 10305), (229, 3735), (249, 3435), (415, 2061), (687, 1245), (747, 1145)]