81540945

素因数分解:

$3^3\times 5^1\times {\mathrm{604007}}^1$

素因数の和:604021

約数の個数: 16

約数和(自身を含む): 144961920

約数和(自身を除く): 63420975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 604007, 1812021, 3020035, 5436063, 9060105, 16308189, 27180315, 81540945]

約数ペア:

[(1, 81540945), (3, 27180315), (5, 16308189), (9, 9060105), (15, 5436063), (27, 3020035), (45, 1812021), (135, 604007)]