39872979

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{5531}}^1$

素因数の和:5632

約数の個数: 20

約数和(自身を含む): 60243480

約数和(自身を除く): 20370501

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 5531, 7209, 16593, 49779, 149337, 448011, 492259, 1476777, 4430331, 13290993, 39872979]

約数ペア:

[(1, 39872979), (3, 13290993), (9, 4430331), (27, 1476777), (81, 492259), (89, 448011), (267, 149337), (801, 49779), (2403, 16593), (5531, 7209)]