64621869

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 100356480

約数和(自身を除く): 35734611

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 1443, 2109, 2357, 7071, 9139, 27417, 30641, 44783, 87209, 91923, 134349, 261627, 582179, 1133717, 1656971, 1746537, 3401151, 4970913, 21540623, 64621869]

約数ペア:

[(1, 64621869), (3, 21540623), (13, 4970913), (19, 3401151), (37, 1746537), (39, 1656971), (57, 1133717), (111, 582179), (247, 261627), (481, 134349), (703, 91923), (741, 87209), (1443, 44783), (2109, 30641), (2357, 27417), (7071, 9139)]