72609975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 141365952

約数和(自身を除く): 68755977

約数列:

[1, 3, 5, 9, 15, 17, 25, 41, 45, 51, 75, 85, 123, 153, 205, 225, 255, 369, 425, 463, 615, 697, 765, 1025, 1275, 1389, 1845, 2091, 2315, 3075, 3485, 3825, 4167, 6273, 6945, 7871, 9225, 10455, 11575, 17425, 18983, 20835, 23613, 31365, 34725, 39355, 52275, 56949, 70839, 94915, 104175, 118065, 156825, 170847, 196775, 284745, 322711, 354195, 474575, 590325, 854235, 968133, 1423725, 1613555, 1770975, 2904399, 4271175, 4840665, 8067775, 14521995, 24203325, 72609975]

約数ペア:

[(1, 72609975), (3, 24203325), (5, 14521995), (9, 8067775), (15, 4840665), (17, 4271175), (25, 2904399), (41, 1770975), (45, 1613555), (51, 1423725), (75, 968133), (85, 854235), (123, 590325), (153, 474575), (205, 354195), (225, 322711), (255, 284745), (369, 196775), (425, 170847), (463, 156825), (615, 118065), (697, 104175), (765, 94915), (1025, 70839), (1275, 56949), (1389, 52275), (1845, 39355), (2091, 34725), (2315, 31365), (3075, 23613), (3485, 20835), (3825, 18983), (4167, 17425), (6273, 11575), (6945, 10455), (7871, 9225)]