28180305

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4093}}^1$

素因数の和:4127

約数の個数: 40

約数和(自身を含む): 53500392

約数和(自身を除く): 25320087

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 4093, 6885, 12279, 20465, 36837, 61395, 69581, 110511, 184185, 208743, 331533, 347905, 552555, 626229, 1043715, 1657665, 1878687, 3131145, 5636061, 9393435, 28180305]

約数ペア:

[(1, 28180305), (3, 9393435), (5, 5636061), (9, 3131145), (15, 1878687), (17, 1657665), (27, 1043715), (45, 626229), (51, 552555), (81, 347905), (85, 331533), (135, 208743), (153, 184185), (255, 110511), (405, 69581), (459, 61395), (765, 36837), (1377, 20465), (2295, 12279), (4093, 6885)]