20180127

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6871}}^1$

素因数の和:6974

約数の個数: 16

約数和(自身を含む): 29687040

約数和(自身を除く): 9506913

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6871, 20613, 75581, 226743, 611519, 1834557, 6726709, 20180127]

約数ペア:

[(1, 20180127), (3, 6726709), (11, 1834557), (33, 611519), (89, 226743), (267, 75581), (979, 20613), (2937, 6871)]