51774135

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 100224000

約数和(自身を除く): 48449865

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 343, 347, 435, 609, 735, 1015, 1029, 1041, 1421, 1715, 1735, 2429, 3045, 4263, 5145, 5205, 7105, 7287, 9947, 10063, 12145, 17003, 21315, 29841, 30189, 36435, 49735, 50315, 51009, 70441, 85015, 119021, 149205, 150945, 211323, 255045, 352205, 357063, 493087, 595105, 1056615, 1479261, 1785315, 2465435, 3451609, 7396305, 10354827, 17258045, 51774135]

約数ペア:

[(1, 51774135), (3, 17258045), (5, 10354827), (7, 7396305), (15, 3451609), (21, 2465435), (29, 1785315), (35, 1479261), (49, 1056615), (87, 595105), (105, 493087), (145, 357063), (147, 352205), (203, 255045), (245, 211323), (343, 150945), (347, 149205), (435, 119021), (609, 85015), (735, 70441), (1015, 51009), (1029, 50315), (1041, 49735), (1421, 36435), (1715, 30189), (1735, 29841), (2429, 21315), (3045, 17003), (4263, 12145), (5145, 10063), (5205, 9947), (7105, 7287)]