28443375

素因数分解:

$3^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 51933024

約数和(自身を除く): 23489649

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 131, 193, 225, 375, 393, 579, 655, 965, 1125, 1179, 1737, 1965, 2895, 3275, 4825, 5895, 8685, 9825, 14475, 16375, 24125, 25283, 29475, 43425, 49125, 72375, 75849, 126415, 147375, 217125, 227547, 379245, 632075, 1137735, 1896225, 3160375, 5688675, 9481125, 28443375]

約数ペア:

[(1, 28443375), (3, 9481125), (5, 5688675), (9, 3160375), (15, 1896225), (25, 1137735), (45, 632075), (75, 379245), (125, 227547), (131, 217125), (193, 147375), (225, 126415), (375, 75849), (393, 72375), (579, 49125), (655, 43425), (965, 29475), (1125, 25283), (1179, 24125), (1737, 16375), (1965, 14475), (2895, 9825), (3275, 8685), (4825, 5895)]