28199655

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5179}}^1$

素因数の和:5212

約数の個数: 36

約数和(自身を含む): 53737320

約数和(自身を除く): 25537665

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5179, 5445, 15537, 25895, 46611, 56969, 77685, 170907, 233055, 284845, 512721, 626659, 854535, 1879977, 2563605, 3133295, 5639931, 9399885, 28199655]

約数ペア:

[(1, 28199655), (3, 9399885), (5, 5639931), (9, 3133295), (11, 2563605), (15, 1879977), (33, 854535), (45, 626659), (55, 512721), (99, 284845), (121, 233055), (165, 170907), (363, 77685), (495, 56969), (605, 46611), (1089, 25895), (1815, 15537), (5179, 5445)]