171981831

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3943}}^1$

素因数の和:4051

約数の個数: 32

約数和(自身を含む): 274628608

約数和(自身を除く): 102646777

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 469, 651, 1407, 2077, 3943, 6231, 11829, 14539, 27601, 43617, 82803, 122233, 264181, 366699, 792543, 855631, 1849267, 2566893, 5547801, 8189611, 24568833, 57327277, 171981831]

約数ペア:

[(1, 171981831), (3, 57327277), (7, 24568833), (21, 8189611), (31, 5547801), (67, 2566893), (93, 1849267), (201, 855631), (217, 792543), (469, 366699), (651, 264181), (1407, 122233), (2077, 82803), (3943, 43617), (6231, 27601), (11829, 14539)]