28977741

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{857}}^1$

素因数の和:910

約数の個数: 36

約数和(自身を含む): 47939892

約数和(自身を除く): 18962151

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 289, 663, 857, 867, 1989, 2571, 2601, 3757, 7713, 11141, 11271, 14569, 33423, 33813, 43707, 100269, 131121, 189397, 247673, 568191, 743019, 1704573, 2229057, 3219749, 9659247, 28977741]

約数ペア:

[(1, 28977741), (3, 9659247), (9, 3219749), (13, 2229057), (17, 1704573), (39, 743019), (51, 568191), (117, 247673), (153, 189397), (221, 131121), (289, 100269), (663, 43707), (857, 33813), (867, 33423), (1989, 14569), (2571, 11271), (2601, 11141), (3757, 7713)]