71969715

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2241

約数の個数: 40

約数和(自身を含む): 130627728

約数和(自身を除く): 58658013

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 747, 1245, 2141, 2241, 3735, 6423, 6723, 10705, 11205, 19269, 32115, 33615, 57807, 96345, 173421, 177703, 289035, 533109, 867105, 888515, 1599327, 2665545, 4797981, 7996635, 14393943, 23989905, 71969715]

約数ペア:

[(1, 71969715), (3, 23989905), (5, 14393943), (9, 7996635), (15, 4797981), (27, 2665545), (45, 1599327), (81, 888515), (83, 867105), (135, 533109), (249, 289035), (405, 177703), (415, 173421), (747, 96345), (1245, 57807), (2141, 33615), (2241, 32115), (3735, 19269), (6423, 11205), (6723, 10705)]