71447859

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3533}}^1$

素因数の和:3656

約数の個数: 32

約数和(自身を含む): 122135040

約数和(自身を除く): 50687181

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 3533, 6741, 10599, 20223, 24731, 31797, 74193, 95391, 222579, 378031, 667737, 1134093, 2646217, 3402279, 7938651, 10206837, 23815953, 71447859]

約数ペア:

[(1, 71447859), (3, 23815953), (7, 10206837), (9, 7938651), (21, 3402279), (27, 2646217), (63, 1134093), (107, 667737), (189, 378031), (321, 222579), (749, 95391), (963, 74193), (2247, 31797), (2889, 24731), (3533, 20223), (6741, 10599)]