51403989

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 88303488

約数和(自身を除く): 36899499

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 259, 273, 481, 637, 727, 777, 1443, 1813, 1911, 2181, 3367, 5089, 5439, 9451, 10101, 15267, 23569, 26899, 28353, 35623, 66157, 70707, 80697, 106869, 188293, 198471, 349687, 463099, 564879, 1049061, 1318051, 1389297, 2447809, 3954153, 7343427, 17134663, 51403989]

約数ペア:

[(1, 51403989), (3, 17134663), (7, 7343427), (13, 3954153), (21, 2447809), (37, 1389297), (39, 1318051), (49, 1049061), (91, 564879), (111, 463099), (147, 349687), (259, 198471), (273, 188293), (481, 106869), (637, 80697), (727, 70707), (777, 66157), (1443, 35623), (1813, 28353), (1911, 26899), (2181, 23569), (3367, 15267), (5089, 10101), (5439, 9451)]