438561

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 16

約数和(自身を含む): 668800

約数和(自身を除く): 230239

約数列:

[1, 3, 9, 27, 37, 111, 333, 439, 999, 1317, 3951, 11853, 16243, 48729, 146187, 438561]

約数ペア:

[(1, 438561), (3, 146187), (9, 48729), (27, 16243), (37, 11853), (111, 3951), (333, 1317), (439, 999)]