39972987

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{40013}}^1$

素因数の和:40059

約数の個数: 16

約数和(自身を含む): 60821280

約数和(自身を除く): 20848293

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 40013, 120039, 360117, 1080351, 1480481, 4441443, 13324329, 39972987]

約数ペア:

[(1, 39972987), (3, 13324329), (9, 4441443), (27, 1480481), (37, 1080351), (111, 360117), (333, 120039), (999, 40013)]