127975407

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{18523}}^1$

素因数の和:18587

約数の個数: 24

約数和(自身を含む): 202726656

約数和(自身を除く): 74751249

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 18523, 55569, 129661, 388983, 870581, 907627, 2611743, 2722881, 6094067, 18282201, 42658469, 127975407]

約数ペア:

[(1, 127975407), (3, 42658469), (7, 18282201), (21, 6094067), (47, 2722881), (49, 2611743), (141, 907627), (147, 870581), (329, 388983), (987, 129661), (2303, 55569), (6909, 18523)]