320679

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 20

約数和(自身を含む): 496584

約数和(自身を除く): 175905

約数列:

[1, 3, 9, 27, 37, 81, 107, 111, 321, 333, 963, 999, 2889, 2997, 3959, 8667, 11877, 35631, 106893, 320679]

約数ペア:

[(1, 320679), (3, 106893), (9, 35631), (27, 11877), (37, 8667), (81, 3959), (107, 2997), (111, 2889), (321, 999), (333, 963)]