18127599

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 28366848

約数和(自身を除く): 10239249

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 971, 2667, 2913, 6223, 6797, 18669, 20391, 47579, 123317, 142737, 369951, 863219, 2589657, 6042533, 18127599]

約数ペア:

[(1, 18127599), (3, 6042533), (7, 2589657), (21, 863219), (49, 369951), (127, 142737), (147, 123317), (381, 47579), (889, 20391), (971, 18669), (2667, 6797), (2913, 6223)]