81218034

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{121949}}^1$

素因数の和:121994

約数の個数: 24

約数和(自身を含む): 180729900

約数和(自身を除く): 99511866

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 121949, 243898, 365847, 731694, 1097541, 2195082, 4512113, 9024226, 13536339, 27072678, 40609017, 81218034]

約数ペア:

[(1, 81218034), (2, 40609017), (3, 27072678), (6, 13536339), (9, 9024226), (18, 4512113), (37, 2195082), (74, 1097541), (111, 731694), (222, 365847), (333, 243898), (666, 121949)]