28156095

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5171}}^1$

素因数の和:5204

約数の個数: 36

約数和(自身を含む): 53654328

約数和(自身を除く): 25498233

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5171, 5445, 15513, 25855, 46539, 56881, 77565, 170643, 232695, 284405, 511929, 625691, 853215, 1877073, 2559645, 3128455, 5631219, 9385365, 28156095]

約数ペア:

[(1, 28156095), (3, 9385365), (5, 5631219), (9, 3128455), (11, 2559645), (15, 1877073), (33, 853215), (45, 625691), (55, 511929), (99, 284405), (121, 232695), (165, 170643), (363, 77565), (495, 56881), (605, 46539), (1089, 25855), (1815, 15513), (5171, 5445)]