16791621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 28151808

約数和(自身を除く): 11360187

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 463, 471, 1099, 1389, 1727, 3241, 3297, 5093, 5181, 9723, 12089, 15279, 35651, 36267, 72691, 106953, 218073, 508837, 799601, 1526511, 2398803, 5597207, 16791621]

約数ペア:

[(1, 16791621), (3, 5597207), (7, 2398803), (11, 1526511), (21, 799601), (33, 508837), (77, 218073), (157, 106953), (231, 72691), (463, 36267), (471, 35651), (1099, 15279), (1389, 12089), (1727, 9723), (3241, 5181), (3297, 5093)]