39720465

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3119}}^1$

素因数の和:3413

約数の個数: 24

約数和(自身を含む): 69114240

約数和(自身を除く): 29393775

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 1415, 2547, 3119, 4245, 9357, 12735, 15595, 28071, 46785, 140355, 882677, 2648031, 4413385, 7944093, 13240155, 39720465]

約数ペア:

[(1, 39720465), (3, 13240155), (5, 7944093), (9, 4413385), (15, 2648031), (45, 882677), (283, 140355), (849, 46785), (1415, 28071), (2547, 15595), (3119, 12735), (4245, 9357)]