1340409

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 2211840

約数和(自身を除く): 871431

約数列:

[1, 3, 7, 21, 29, 31, 71, 87, 93, 203, 213, 217, 497, 609, 651, 899, 1491, 2059, 2201, 2697, 6177, 6293, 6603, 14413, 15407, 18879, 43239, 46221, 63829, 191487, 446803, 1340409]

約数ペア:

[(1, 1340409), (3, 446803), (7, 191487), (21, 63829), (29, 46221), (31, 43239), (71, 18879), (87, 15407), (93, 14413), (203, 6603), (213, 6293), (217, 6177), (497, 2697), (609, 2201), (651, 2059), (899, 1491)]