80444721

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 130744320

約数和(自身を除く): 50299599

約数列:

[1, 3, 7, 21, 31, 49, 93, 127, 139, 147, 217, 381, 417, 651, 889, 973, 1519, 2667, 2919, 3937, 4309, 4557, 6223, 6811, 11811, 12927, 17653, 18669, 20433, 27559, 30163, 52959, 82677, 90489, 123571, 192913, 211141, 370713, 547243, 578739, 633423, 864997, 1641729, 2594991, 3830701, 11492103, 26814907, 80444721]

約数ペア:

[(1, 80444721), (3, 26814907), (7, 11492103), (21, 3830701), (31, 2594991), (49, 1641729), (93, 864997), (127, 633423), (139, 578739), (147, 547243), (217, 370713), (381, 211141), (417, 192913), (651, 123571), (889, 90489), (973, 82677), (1519, 52959), (2667, 30163), (2919, 27559), (3937, 20433), (4309, 18669), (4557, 17653), (6223, 12927), (6811, 11811)]