27880085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 35597232

約数和(自身を除く): 7717147

約数列:

[1, 5, 17, 85, 241, 1205, 1361, 4097, 6805, 20485, 23137, 115685, 328001, 1640005, 5576017, 27880085]

約数ペア:

[(1, 27880085), (5, 5576017), (17, 1640005), (85, 328001), (241, 115685), (1205, 23137), (1361, 20485), (4097, 6805)]