27806795

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 8636725

約数列:

[1, 5, 29, 37, 71, 73, 145, 185, 355, 365, 1073, 2059, 2117, 2627, 2701, 5183, 5365, 10295, 10585, 13135, 13505, 25915, 76183, 78329, 150307, 191771, 380915, 391645, 751535, 958855, 5561359, 27806795]

約数ペア:

[(1, 27806795), (5, 5561359), (29, 958855), (37, 751535), (71, 391645), (73, 380915), (145, 191771), (185, 150307), (355, 78329), (365, 76183), (1073, 25915), (2059, 13505), (2117, 13135), (2627, 10585), (2701, 10295), (5183, 5365)]