628647561

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 968647680

約数和(自身を除く): 340000119

約数列:

[1, 3, 9, 27, 71, 81, 83, 213, 243, 249, 439, 639, 747, 1317, 1917, 2241, 3951, 5751, 5893, 6723, 11853, 17253, 17679, 20169, 31169, 35559, 36437, 53037, 93507, 106677, 109311, 159111, 280521, 327933, 477333, 841563, 983799, 1431999, 2524689, 2587027, 2951397, 7574067, 7761081, 8854191, 23283243, 69849729, 209549187, 628647561]

約数ペア:

[(1, 628647561), (3, 209549187), (9, 69849729), (27, 23283243), (71, 8854191), (81, 7761081), (83, 7574067), (213, 2951397), (243, 2587027), (249, 2524689), (439, 1431999), (639, 983799), (747, 841563), (1317, 477333), (1917, 327933), (2241, 280521), (3951, 159111), (5751, 109311), (5893, 106677), (6723, 93507), (11853, 53037), (17253, 36437), (17679, 35559), (20169, 31169)]