27856395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{463}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 55590912

約数和(自身を除く): 27734517

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 191, 315, 463, 573, 955, 1337, 1389, 1719, 2315, 2865, 3241, 4011, 4167, 6685, 6945, 8595, 9723, 12033, 16205, 20055, 20835, 29169, 48615, 60165, 88433, 145845, 265299, 442165, 619031, 795897, 1326495, 1857093, 3095155, 3979485, 5571279, 9285465, 27856395]

約数ペア:

[(1, 27856395), (3, 9285465), (5, 5571279), (7, 3979485), (9, 3095155), (15, 1857093), (21, 1326495), (35, 795897), (45, 619031), (63, 442165), (105, 265299), (191, 145845), (315, 88433), (463, 60165), (573, 48615), (955, 29169), (1337, 20835), (1389, 20055), (1719, 16205), (2315, 12033), (2865, 9723), (3241, 8595), (4011, 6945), (4167, 6685)]