81513918

素因数分解:

$2^1\times 3^3\times {\mathrm{1509517}}^1$

素因数の和:1509528

約数の個数: 16

約数和(自身を含む): 181142160

約数和(自身を除く): 99628242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1509517, 3019034, 4528551, 9057102, 13585653, 27171306, 40756959, 81513918]

約数ペア:

[(1, 81513918), (2, 40756959), (3, 27171306), (6, 13585653), (9, 9057102), (18, 4528551), (27, 3019034), (54, 1509517)]