28760175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 55826784

約数和(自身を除く): 27066609

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 73, 75, 85, 103, 153, 219, 225, 255, 309, 365, 425, 515, 657, 765, 927, 1095, 1241, 1275, 1545, 1751, 1825, 2575, 3285, 3723, 3825, 4635, 5253, 5475, 6205, 7519, 7725, 8755, 11169, 15759, 16425, 18615, 22557, 23175, 26265, 31025, 37595, 43775, 55845, 67671, 78795, 93075, 112785, 127823, 131325, 187975, 279225, 338355, 383469, 393975, 563925, 639115, 1150407, 1691775, 1917345, 3195575, 5752035, 9586725, 28760175]

約数ペア:

[(1, 28760175), (3, 9586725), (5, 5752035), (9, 3195575), (15, 1917345), (17, 1691775), (25, 1150407), (45, 639115), (51, 563925), (73, 393975), (75, 383469), (85, 338355), (103, 279225), (153, 187975), (219, 131325), (225, 127823), (255, 112785), (309, 93075), (365, 78795), (425, 67671), (515, 55845), (657, 43775), (765, 37595), (927, 31025), (1095, 26265), (1241, 23175), (1275, 22557), (1545, 18615), (1751, 16425), (1825, 15759), (2575, 11169), (3285, 8755), (3723, 7725), (3825, 7519), (4635, 6205), (5253, 5475)]