28125795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 22677405

約数列:

[1, 3, 5, 15, 19, 29, 41, 57, 83, 87, 95, 123, 145, 205, 249, 285, 415, 435, 551, 615, 779, 1189, 1245, 1577, 1653, 2337, 2407, 2755, 3403, 3567, 3895, 4731, 5945, 7221, 7885, 8265, 10209, 11685, 12035, 17015, 17835, 22591, 23655, 36105, 45733, 51045, 64657, 67773, 98687, 112955, 137199, 193971, 228665, 296061, 323285, 338865, 493435, 685995, 969855, 1480305, 1875053, 5625159, 9375265, 28125795]

約数ペア:

[(1, 28125795), (3, 9375265), (5, 5625159), (15, 1875053), (19, 1480305), (29, 969855), (41, 685995), (57, 493435), (83, 338865), (87, 323285), (95, 296061), (123, 228665), (145, 193971), (205, 137199), (249, 112955), (285, 98687), (415, 67773), (435, 64657), (551, 51045), (615, 45733), (779, 36105), (1189, 23655), (1245, 22591), (1577, 17835), (1653, 17015), (2337, 12035), (2407, 11685), (2755, 10209), (3403, 8265), (3567, 7885), (3895, 7221), (4731, 5945)]