80305281

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 139236864

約数和(自身を除く): 58931583

約数列:

[1, 3, 7, 9, 21, 37, 47, 63, 111, 141, 259, 329, 333, 423, 733, 777, 987, 1739, 2199, 2331, 2961, 5131, 5217, 6597, 12173, 15393, 15651, 27121, 34451, 36519, 46179, 81363, 103353, 109557, 189847, 241157, 244089, 310059, 569541, 723471, 1274687, 1708623, 2170413, 3824061, 8922809, 11472183, 26768427, 80305281]

約数ペア:

[(1, 80305281), (3, 26768427), (7, 11472183), (9, 8922809), (21, 3824061), (37, 2170413), (47, 1708623), (63, 1274687), (111, 723471), (141, 569541), (259, 310059), (329, 244089), (333, 241157), (423, 189847), (733, 109557), (777, 103353), (987, 81363), (1739, 46179), (2199, 36519), (2331, 34451), (2961, 27121), (5131, 15651), (5217, 15393), (6597, 12173)]