217023807

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72269}}^1$

素因数の和:72303

約数の個数: 32

約数和(自身を含む): 388523520

約数和(自身を除く): 171499713

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 72269, 216807, 505883, 794959, 939497, 1517649, 2384877, 2818491, 5564713, 6576479, 10334467, 16694139, 19729437, 31003401, 72341269, 217023807]

約数ペア:

[(1, 217023807), (3, 72341269), (7, 31003401), (11, 19729437), (13, 16694139), (21, 10334467), (33, 6576479), (39, 5564713), (77, 2818491), (91, 2384877), (143, 1517649), (231, 939497), (273, 794959), (429, 505883), (1001, 216807), (3003, 72269)]