75820521

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 119605248

約数和(自身を除く): 43784727

約数列:

[1, 3, 7, 21, 41, 107, 123, 287, 321, 749, 823, 861, 2247, 2469, 4387, 5761, 13161, 17283, 30709, 33743, 88061, 92127, 101229, 236201, 264183, 616427, 708603, 1849281, 3610501, 10831503, 25273507, 75820521]

約数ペア:

[(1, 75820521), (3, 25273507), (7, 10831503), (21, 3610501), (41, 1849281), (107, 708603), (123, 616427), (287, 264183), (321, 236201), (749, 101229), (823, 92127), (861, 88061), (2247, 33743), (2469, 30709), (4387, 17283), (5761, 13161)]