27979965

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 26452035

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 107, 117, 135, 149, 195, 321, 351, 447, 535, 585, 745, 963, 1341, 1391, 1605, 1755, 1937, 2235, 2889, 4023, 4173, 4815, 5811, 6705, 6955, 9685, 12519, 14445, 15943, 17433, 20115, 20865, 29055, 37557, 47829, 52299, 62595, 79715, 87165, 143487, 187785, 207259, 239145, 261495, 430461, 621777, 717435, 1036295, 1865331, 2152305, 3108885, 5595993, 9326655, 27979965]

約数ペア:

[(1, 27979965), (3, 9326655), (5, 5595993), (9, 3108885), (13, 2152305), (15, 1865331), (27, 1036295), (39, 717435), (45, 621777), (65, 430461), (107, 261495), (117, 239145), (135, 207259), (149, 187785), (195, 143487), (321, 87165), (351, 79715), (447, 62595), (535, 52299), (585, 47829), (745, 37557), (963, 29055), (1341, 20865), (1391, 20115), (1605, 17433), (1755, 15943), (1937, 14445), (2235, 12519), (2889, 9685), (4023, 6955), (4173, 6705), (4815, 5811)]