247965405

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{1319}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 404490240

約数和(自身を除く): 156524835

約数列:

[1, 3, 5, 15, 83, 151, 249, 415, 453, 755, 1245, 1319, 2265, 3957, 6595, 12533, 19785, 37599, 62665, 109477, 187995, 199169, 328431, 547385, 597507, 995845, 1642155, 2987535, 16531027, 49593081, 82655135, 247965405]

約数ペア:

[(1, 247965405), (3, 82655135), (5, 49593081), (15, 16531027), (83, 2987535), (151, 1642155), (249, 995845), (415, 597507), (453, 547385), (755, 328431), (1245, 199169), (1319, 187995), (2265, 109477), (3957, 62665), (6595, 37599), (12533, 19785)]