28369719

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26489}}^1$

素因数の和:26519

約数の個数: 24

約数和(自身を含む): 49589280

約数和(自身を除く): 21219561

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26489, 79467, 185423, 238401, 450313, 556269, 1350939, 1668807, 3152191, 4052817, 9456573, 28369719]

約数ペア:

[(1, 28369719), (3, 9456573), (7, 4052817), (9, 3152191), (17, 1668807), (21, 1350939), (51, 556269), (63, 450313), (119, 238401), (153, 185423), (357, 79467), (1071, 26489)]