38780415

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 71098560

約数和(自身を除く): 32318145

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 267, 345, 421, 445, 801, 1035, 1263, 1335, 2047, 2105, 3789, 4005, 6141, 6315, 9683, 10235, 18423, 18945, 29049, 30705, 37469, 48415, 87147, 92115, 112407, 145245, 187345, 337221, 435735, 562035, 861787, 1686105, 2585361, 4308935, 7756083, 12926805, 38780415]

約数ペア:

[(1, 38780415), (3, 12926805), (5, 7756083), (9, 4308935), (15, 2585361), (23, 1686105), (45, 861787), (69, 562035), (89, 435735), (115, 337221), (207, 187345), (267, 145245), (345, 112407), (421, 92115), (445, 87147), (801, 48415), (1035, 37469), (1263, 30705), (1335, 29049), (2047, 18945), (2105, 18423), (3789, 10235), (4005, 9683), (6141, 6315)]