28949985

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 53149824

約数和(自身を除く): 24199839

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 83, 115, 207, 249, 337, 345, 415, 747, 1011, 1035, 1245, 1685, 1909, 3033, 3735, 5055, 5727, 7751, 9545, 15165, 17181, 23253, 27971, 28635, 38755, 69759, 83913, 85905, 116265, 139855, 251739, 348795, 419565, 643333, 1258695, 1929999, 3216665, 5789997, 9649995, 28949985]

約数ペア:

[(1, 28949985), (3, 9649995), (5, 5789997), (9, 3216665), (15, 1929999), (23, 1258695), (45, 643333), (69, 419565), (83, 348795), (115, 251739), (207, 139855), (249, 116265), (337, 85905), (345, 83913), (415, 69759), (747, 38755), (1011, 28635), (1035, 27971), (1245, 23253), (1685, 17181), (1909, 15165), (3033, 9545), (3735, 7751), (5055, 5727)]