31439142

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{249517}}^1$

素因数の和:249532

約数の個数: 24

約数和(自身を含む): 77849616

約数和(自身を除く): 46410474

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 249517, 499034, 748551, 1497102, 1746619, 2245653, 3493238, 4491306, 5239857, 10479714, 15719571, 31439142]

約数ペア:

[(1, 31439142), (2, 15719571), (3, 10479714), (6, 5239857), (7, 4491306), (9, 3493238), (14, 2245653), (18, 1746619), (21, 1497102), (42, 748551), (63, 499034), (126, 249517)]