212071431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21493}}^1$

素因数の和:21543

約数の個数: 32

約数和(自身を含む): 346655232

約数和(自身を除く): 134583801

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 3289, 9867, 21493, 64479, 236423, 279409, 494339, 709269, 838227, 1483017, 3073499, 5437729, 6426407, 9220497, 16313187, 19279221, 70690477, 212071431]

約数ペア:

[(1, 212071431), (3, 70690477), (11, 19279221), (13, 16313187), (23, 9220497), (33, 6426407), (39, 5437729), (69, 3073499), (143, 1483017), (253, 838227), (299, 709269), (429, 494339), (759, 279409), (897, 236423), (3289, 64479), (9867, 21493)]