1918781631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{8363}}^1$

素因数の和:8472

約数の個数: 48

約数和(自身を含む): 3123652896

約数和(自身を除く): 1204871265

約数列:

[1, 3, 9, 13, 37, 39, 53, 111, 117, 159, 333, 477, 481, 689, 1443, 1961, 2067, 4329, 5883, 6201, 8363, 17649, 25089, 25493, 75267, 76479, 108719, 229437, 309431, 326157, 443239, 928293, 978471, 1329717, 2784879, 3989151, 4022603, 5762107, 12067809, 16399843, 17286321, 36203427, 49199529, 51858963, 147598587, 213197959, 639593877, 1918781631]

約数ペア:

[(1, 1918781631), (3, 639593877), (9, 213197959), (13, 147598587), (37, 51858963), (39, 49199529), (53, 36203427), (111, 17286321), (117, 16399843), (159, 12067809), (333, 5762107), (477, 4022603), (481, 3989151), (689, 2784879), (1443, 1329717), (1961, 978471), (2067, 928293), (4329, 443239), (5883, 326157), (6201, 309431), (8363, 229437), (17649, 108719), (25089, 76479), (25493, 75267)]