399083778

素因数分解:

$2^1\times 3^2\times {\mathrm{22171321}}^1$

素因数の和:22171329

約数の個数: 12

約数和(自身を含む): 864681558

約数和(自身を除く): 465597780

約数列:

[1, 2, 3, 6, 9, 18, 22171321, 44342642, 66513963, 133027926, 199541889, 399083778]

約数ペア:

[(1, 399083778), (2, 199541889), (3, 133027926), (6, 66513963), (9, 44342642), (18, 22171321)]