26921625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 49061376

約数和(自身を除く): 22139751

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 103, 123, 125, 205, 255, 309, 375, 425, 515, 615, 697, 1025, 1275, 1545, 1751, 2091, 2125, 2575, 3075, 3485, 4223, 5125, 5253, 6375, 7725, 8755, 10455, 12669, 12875, 15375, 17425, 21115, 26265, 38625, 43775, 52275, 63345, 71791, 87125, 105575, 131325, 215373, 218875, 261375, 316725, 358955, 527875, 656625, 1076865, 1583625, 1794775, 5384325, 8973875, 26921625]

約数ペア:

[(1, 26921625), (3, 8973875), (5, 5384325), (15, 1794775), (17, 1583625), (25, 1076865), (41, 656625), (51, 527875), (75, 358955), (85, 316725), (103, 261375), (123, 218875), (125, 215373), (205, 131325), (255, 105575), (309, 87125), (375, 71791), (425, 63345), (515, 52275), (615, 43775), (697, 38625), (1025, 26265), (1275, 21115), (1545, 17425), (1751, 15375), (2091, 12875), (2125, 12669), (2575, 10455), (3075, 8755), (3485, 7725), (4223, 6375), (5125, 5253)]