51402315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 91445760

約数和(自身を除く): 40043445

約数列:

[1, 3, 5, 15, 19, 41, 53, 57, 83, 95, 123, 159, 205, 249, 265, 285, 415, 615, 779, 795, 1007, 1245, 1577, 2173, 2337, 3021, 3403, 3895, 4399, 4731, 5035, 6519, 7885, 10209, 10865, 11685, 13197, 15105, 17015, 21995, 23655, 32595, 41287, 51045, 64657, 65985, 83581, 123861, 180359, 193971, 206435, 250743, 323285, 417905, 541077, 619305, 901795, 969855, 1253715, 2705385, 3426821, 10280463, 17134105, 51402315]

約数ペア:

[(1, 51402315), (3, 17134105), (5, 10280463), (15, 3426821), (19, 2705385), (41, 1253715), (53, 969855), (57, 901795), (83, 619305), (95, 541077), (123, 417905), (159, 323285), (205, 250743), (249, 206435), (265, 193971), (285, 180359), (415, 123861), (615, 83581), (779, 65985), (795, 64657), (1007, 51045), (1245, 41287), (1577, 32595), (2173, 23655), (2337, 21995), (3021, 17015), (3403, 15105), (3895, 13197), (4399, 11685), (4731, 10865), (5035, 10209), (6519, 7885)]