64722777

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{3361}}^1$

素因数の和:3509

約数の個数: 24

約数和(自身を含む): 101182752

約数和(自身を除く): 36459975

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 2751, 3361, 6419, 10083, 19257, 23527, 70581, 164689, 440291, 494067, 1320873, 3082037, 9246111, 21574259, 64722777]

約数ペア:

[(1, 64722777), (3, 21574259), (7, 9246111), (21, 3082037), (49, 1320873), (131, 494067), (147, 440291), (393, 164689), (917, 70581), (2751, 23527), (3361, 19257), (6419, 10083)]